CN201271843Y

CN201271843Y - G shaped clamp

Info

Publication number: CN201271843Y
Application number: CNU2008201540596U
Authority: CN
Inventors: 温昊
Original assignee: Shanghai Kunjie Hardware Tool Co Ltd
Current assignee: Shanghai Kunjie Hardware Tool Co Ltd
Priority date: 2008-10-15
Filing date: 2008-10-15
Publication date: 2009-07-15
Anticipated expiration: 2018-10-15

Abstract

The utility model provides a G-shaped clamp which comprises a G-shaped body, a clamping screw rod, a holding handle, a worm wheel assembly, a worm wheel braking assembly and an apical tooth assembly, wherein, the lower part of the G-shaped body is provided with an inner cavity; the clamping screw rod passes through the front end of the inner cavity; the worm wheel assembly, the body of the worm wheel braking assembly and the apical tooth assembly are arranged in the inner cavity, wherein, the worm wheel assembly and the cavity are rotatably connected, and are connected with the clamping screw rod which passes through the inner cavity in a transmission way; the worm wheel braking assembly is movably connected with the cavity, and is connected with a worm wheel assembly buckle; the apical tooth assembly is connected with the worm wheel assembly in a transmission way; the holding handle is rotatably connected with the cavity of the back end of the inner cavity through a handle positioning pin; and the front end of the holding handle is connected with the apical tooth assembly in a transmission way, and can drive the apical tooth assembly to swing in small angle in the holding process. A holding transmission mechanism is added on the G-shaped clamp on the basis of maintaining the functions of the original G-shaped clamp, and objects can be fast clamped through holding the handle by a single hand.

Description

G-shaped clamp

Technical field

The utility model relates to a kind of hand-held tool, particularly a kind of G-shaped clamp.

Background technology

G-shaped clamp generally is made up of G body and clamping screw mandrel, clamps screw mandrel and passes the setting of G body.In the screw mandrel upper end rotary press head and rotary press head spring are housed, the lower end is furnished with screw handle, drives the screw mandrel rotation by turning handle object is clamped.The necessary bimanualness of the G-shaped clamp of this structure, and the speed that clamps is very slow.

The utility model content

The purpose of this utility model in order to solve the problems referred to above that prior art exists, provides a kind of G-shaped clamp with new structure exactly.

The technical solution of the utility model is: a kind of G-shaped clamp, and comprise the G body and clamp screw mandrel, be characterized in that also comprise one group of held type transmission mechanism, this held type transmission mechanism comprises holds the handle of handling knob, Worm-gear assembly, worm gear brake assemblies and apical tooth assembly; Described G body bottom is provided with an inner chamber, described clamping screw mandrel passes from the front end of this inner chamber, the main body of Worm-gear assembly and worm gear brake assemblies and apical tooth assembly all are arranged in this inner chamber, wherein Worm-gear assembly links to each other and links to each other with the clamping screw mandrel transmission of passing inner chamber with cavity is rotatable, the worm gear brake assemblies is movably connected with cavity and links to each other with the Worm-gear assembly snap close, the apical tooth assembly links to each other with the Worm-gear assembly transmission, the cavity of holding handle knob handle and intracavity posterior end links to each other by the handle alignment pin is rotatable, and link to each other with the transmission of the apical tooth assembly drive apical tooth assembly that can be in one's hands in the process of pinching of the front end of holding the handle of handling knob is made small angle oscillation.

Described Worm-gear assembly comprises bearing pin, worm gear and worm gear braked wheel, and bearing pin links to each other with cavity, and worm gear set is contained on the bearing pin and with clamping screw mandrel engaged transmission and links to each other, and the worm gear braked wheel is fixed on the worm-wheel shaft and with worm gear and is set on the bearing pin.

Described worm gear brake assemblies comprises worm gear braking jacking block, jacking block spring, unblanks to pull out key and unblank to pull out the key connecting rod, worm gear braking jacking block links to each other with the engagement of worm gear braked wheel, one end of jacking block spring is pressed on the worm gear braking jacking block, the other end is pressed on the cavity, unblank to pull out the activity of key connecting rod and pass the cavity setting, its the inner is fixedly linked with worm gear braking jacking block, the outer end with unblank to pull out key and be fixedly linked, thereby unblank to pull out key can drive worm gear braking jacking block move outward make its break away from the worm gear braked wheel contact the realization release.

Described apical tooth assembly comprises apical tooth lid, apical tooth and apical tooth spring, apical tooth lid is arranged in the inner chamber in the corresponding grooves, apical tooth is inlaid in apical tooth and covers and can move forward and backward along the apical tooth lid, the interior worm gear that also can promote of tooth that the front end of apical tooth can insert worm gear rotates, the front end of apical tooth spring is pressed on the apical tooth, and the rear end is pressed on apical tooth and covers.

The described handle of handling knob of holding is anti-L shaped structural member, and its cross bar is arranged in the cavity, and the cross bar front end is provided with a barb, and this barb links to each other with the apical tooth rhampotheca.

Also comprise the handle back-moving spring, this handle back-moving spring is the strip structural member, and its lower end is fixed on the cavity of inner chamber, and the upper end is pressed on the handle.

The cavity of the inner chamber of the described G of being arranged on body bottom comprises a side cover plate, and unblanking in the bearing pin in the described Worm-gear assembly, the worm gear brake assemblies pulls out the key connecting rod and the handle alignment pin all passes this side cover plate setting.

G-shaped clamp of the present utility model has increased a held type transmission mechanism on the basis that has kept original G-shaped clamp function, hold the handle of handling knob by one hand and can realize fast object is clamped.

Description of drawings

Fig. 1 is the perspective view of the utility model G-shaped clamp;

Fig. 2 is the decomposition texture schematic diagram of the utility model G-shaped clamp;

Fig. 3, Fig. 4, Fig. 5 are the partial structurtes schematic diagrames of the utility model G-shaped clamp.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

Referring to Fig. 1, Fig. 2, cooperate referring to Fig. 3, Fig. 4, Fig. 5, G-shaped clamp of the present utility model comprises G body 1, clamps screw mandrel 2 and by holding one group of held type transmission mechanism that the handle 3 of handling knob, Worm-gear assembly 4, worm gear brake assemblies 5 and apical tooth assembly 6 are formed.

Be provided with an inner chamber 11 in G body 1 bottom, be provided with the die cavity that is used to install Worm-gear assembly 4, worm gear brake assemblies 5, apical tooth assembly 6 and handle back-moving spring 7 in the inner chamber 11, the cavity of inner chamber comprises a side cover plate 12.Unblanking in the bearing pin 41 in the Worm-gear assembly 4, the worm gear brake assemblies 5 pulled out key connecting rod 54 and all passed this side cover plate 12 with handle alignment pin 31 and link to each other with relevant parts.

Clamping screw mandrel 2 passes from the front end of this inner chamber, and rotary press head 21 and rotary press head spring 22 are housed in the upper end of screw mandrel 2, and the lower end is furnished with screw handle 23, conveniently grip objects is carried out reinforcing.

The cavity of holding handle knob handle 3 and inner chamber 11 rear ends of G body 1 is by 31 rotatable linking to each other of handle alignment pin, and holding the handle 3 of handling knob is anti-L shaped structural member, and its cross bar 32 is arranged in the cavity, and the cross bar front end is provided with a barb 321, and this barb links to each other with apical tooth 62 rhampothecas.Holding the handle 3 of handling knob can be in one's hands and drive apical tooth 62 in the process of pinching and make small angle oscillation.

The main body of Worm-gear assembly 4 is arranged in the inner chamber 11 of G body 1, this Worm-gear assembly 4 comprises bearing pin 41, worm gear 42 and worm gear braked wheel 43, bearing pin 41 passes inner chamber 11 and links to each other with cavity, worm gear 42 is sleeved on the bearing pin 41 and with clamping screw mandrel 2 engaged transmission and links to each other, and worm gear braked wheel 43 is fixed on the worm-wheel shaft and with worm gear and is set on the bearing pin 41.

The main body of worm gear brake assemblies 5 is arranged in the inner chamber 11 of G body 1, this worm gear brake assemblies 5 comprises worm gear braking jacking block 51, jacking block spring 52, unblank to pull out key 53 and unblank to pull out key connecting rod 54, worm gear braking jacking block 51 links to each other with 43 engagements of worm gear braked wheel, one end of jacking block spring 52 is pressed on the worm gear braking jacking block 51, the other end is pressed on the cavity of G body 1, unblank to pull out 54 for the activities of key connecting rod and pass the cavity setting, its the inner is fixedly linked with worm gear braking jacking block 51, the outer end with unblank to pull out key 53 and be fixedly linked, thereby unblank to pull out key 53 can drive worm gear braking jacking block 51 outer move make its break away from worm gear braked wheel 43 contact the realization release.

Apical tooth assembly 6 is arranged in the inner chamber 11 of

G body

1,6 of this apical tooth groups comprise apical tooth lid 61, apical tooth 62 and apical tooth spring 63, apical tooth lid 61 is arranged in the inner chamber in the corresponding grooves, apical tooth 62 is inlaid in apical tooth and covers and can move forward and backward along the apical tooth lid, the interior worm gear that also can promote of tooth that the front end of apical tooth 62 can insert worm gear 42 rotates, the front end of apical tooth spring 63 is pressed on the apical tooth 62, and the rear end is pressed on the apical tooth lid 61.

Handle back-moving spring 7 is the strip structural member, and its lower end is fixed on the cavity of inner chamber 11 of G body 1, and the upper end is pressed on the handle 3.

But the operation principle accompanying drawings of the utility model G-shaped clamp is as follows: when holding G body 1 and handle 3, constantly holding with a firm grip and opening of the armrest palm clamps object.When holding when tight, handle 3 reaches and thorny handle alignment pin 31 are done small angle oscillation, drive apical tooth 62 turbine 42 is stirred rotation, and turbine 42 rotating band movable wire bars 2 upwards rise grip objects.After openhanded opening, handle 3 thorny handle alignment pin 31 under the effect of handle back-moving spring 7 is done small angle oscillation, have equally and drive the tendency of apical tooth 62 42 groups of commentaries on classics of turbine, but because turbine stopping of jacking block 51 of braking only allows turbine 42 unidirectional rotations, so turbine 42 does not rotate, apical tooth 62 is compressed to be return.Apical tooth 62 is ejected by apical tooth spring 63 again behind the turbine tooth top allowing, and repeats a step then.Constantly promote screw mandrel and compress object.

Claims

1. a G-shaped clamp comprises the G body and clamps screw mandrel, and it is characterized in that: also comprise one group of held type transmission mechanism, this held type transmission mechanism comprises holds the handle of handling knob, Worm-gear assembly, worm gear brake assemblies and apical tooth assembly; Described G body bottom is provided with an inner chamber, described clamping screw mandrel passes from the front end of this inner chamber, the main body of Worm-gear assembly and worm gear brake assemblies and apical tooth assembly all are arranged in this inner chamber, wherein Worm-gear assembly links to each other and links to each other with the clamping screw mandrel transmission of passing inner chamber with cavity is rotatable, the worm gear brake assemblies is movably connected with cavity and links to each other with the Worm-gear assembly snap close, the apical tooth assembly links to each other with the Worm-gear assembly transmission, the cavity of holding handle knob handle and intracavity posterior end links to each other by the handle alignment pin is rotatable, and link to each other with the transmission of the apical tooth assembly drive apical tooth assembly that can be in one's hands in the process of pinching of the front end of holding the handle of handling knob is made small angle oscillation.

2. G-shaped clamp as claimed in claim 1, it is characterized in that: described Worm-gear assembly comprises bearing pin, worm gear and worm gear braked wheel, bearing pin links to each other with cavity, worm gear set is contained on the bearing pin and with clamping screw mandrel engaged transmission and links to each other, and the worm gear braked wheel is fixed on the worm-wheel shaft and with worm gear and is set on the bearing pin.

3. G-shaped clamp as claimed in claim 1, it is characterized in that: described worm gear brake assemblies comprises worm gear braking jacking block, the jacking block spring, unblank to pull out key and unblank to pull out the key connecting rod, worm gear braking jacking block links to each other with the engagement of worm gear braked wheel, one end of jacking block spring is pressed on the worm gear braking jacking block, the other end is pressed on the cavity, unblank to pull out the activity of key connecting rod and pass the cavity setting, its the inner is fixedly linked with worm gear braking jacking block, the outer end with unblank to pull out key and be fixedly linked, thereby unblank to pull out key can drive worm gear braking jacking block move outward make its break away from the worm gear braked wheel contact the realization release.

4. G-shaped clamp as claimed in claim 1, it is characterized in that: described apical tooth assembly comprises apical tooth lid, apical tooth and apical tooth spring, apical tooth lid is arranged in the inner chamber in the corresponding grooves, apical tooth is inlaid in apical tooth and covers and can move forward and backward along the apical tooth lid, the interior worm gear that also can promote of tooth that the front end of apical tooth can insert worm gear rotates, the front end of apical tooth spring is pressed on the apical tooth, and the rear end is pressed on apical tooth and covers.

5. G-shaped clamp as claimed in claim 1 is characterized in that: the described handle of handling knob of holding is anti-L shaped structural member, and its cross bar is arranged in the cavity, and the cross bar front end is provided with a barb, and this barb links to each other with the apical tooth rhampotheca.

6. G-shaped clamp as claimed in claim 1 is characterized in that: also comprise the handle back-moving spring, this handle back-moving spring is the strip structural member, and its lower end is fixed on the cavity of inner chamber, and the upper end is pressed on the handle.

7. G-shaped clamp as claimed in claim 1, it is characterized in that: the cavity of the inner chamber of the described G of being arranged on body bottom comprises a side cover plate, and unblanking in the bearing pin in the described Worm-gear assembly, the worm gear brake assemblies pulls out the key connecting rod and the handle alignment pin all passes this side cover plate setting.