CN219833279U - Electric hydraulic pliers with external clamping hook - Google Patents

Abstract

The utility model relates to an electric hydraulic clamp with an external clamping hook, which relates to the field of cable installation tools and comprises a hydraulic clamp body, wherein a clamping seat and the clamping hook are rotatably arranged on the hydraulic clamp body; the movable clamp head is slidably arranged on the hydraulic clamp body and is detachably and fixedly connected with the hydraulic cylinder plunger; a limiting opening is formed in one side, close to the clamping hook, of the clamping hook connecting part, and the connecting part is embedded and clamped in the limiting opening; the fixed clamp head is detachably and fixedly connected with the clamping seat, and the fixed clamp head is opposite to the movable clamp head after the connecting part is embedded and clamped in the limiting opening. The clamping hooks and the limiting openings are matched for use, so that the hydraulic clamp has the effect of improving the convenience of cleaning the hydraulic clamp by an operator.

Description

Electric hydraulic pliers with external clamping hook

Technical Field

The utility model relates to the field of cable installation tools, in particular to an electric hydraulic clamp with an external clamping hook.

Background

The hydraulic pliers are special hydraulic tools for crimping cables and wiring terminals in power engineering, and are integrated, split, electric, manual and the like, and the charging hydraulic pliers are the most lightweight charging hydraulic tools, can be operated by one hand and are applied to crimping of power distribution operation terminals.

Currently, a common electro-hydraulic clamp mainly comprises a hydraulic clamp body and a hydraulic working end. The hydraulic pliers comprise a hydraulic pliers body, wherein the hydraulic pliers body is provided with a hydraulic cylinder body, a plunger hole for a plunger to enter and exit is formed in the hydraulic cylinder body, a sealing ring is fixed in the plunger hole, and the plunger moves back and forth along with a hydraulic handle to enter and exit the plunger hole and is in sliding fit with the inner wall of the sealing ring.

The plunger is repeatedly moved in and out of the plunger hole of the hydraulic cylinder body by manually pressing the hydraulic handle for multiple times, hydraulic oil is gradually injected into the hydraulic cylinder body, and the piston in the hydraulic cylinder body is pushed by using the Pascal principle, so that huge thrust is generated.

Referring to fig. 1, the hydraulic working end mainly includes a clamping seat 200, a fixed clamp head and a movable clamp head, an installation space for accommodating the fixed clamp head and the movable clamp head is formed on the clamping seat 200, the fixed clamp head is fixedly connected with the clamping seat 200, the fixed clamp head and the movable clamp head are oppositely arranged, the movable clamp head is in sliding fit with the clamping seat 200, and the movable clamp head is in transmission connection with the piston.

After an operator wears the wiring terminal of the cable into the wiring terminal, the operator places the wiring terminal between the fixed clamp head and the movable clamp head, and then presses a switch on the hydraulic clamp, so that the piston can push the movable clamp head to move towards the direction close to the fixed clamp head, and the wiring terminal and the cable are fixedly connected into a whole in a crimping way.

The clamping seat 200 is in running fit with the hydraulic clamp body, the clamping hook 100 is further rotatably arranged on the hydraulic clamp body, the common clamping hook 100 is fixedly arranged in the clamping seat 200 in a built-in clamping manner, the common clamping hook 100 comprises a limiting end 110, a limiting hole 220 is formed in one end, close to the clamping hook 100, of the clamping seat 200, a receiving groove 210 matched with the clamping hook 100 is formed in the outer side wall of the clamping seat 200, the limiting hole 220 is located at the bottom of the receiving groove 210, when the hydraulic clamp head is installed, the clamping hook 100 is rotated to enter the receiving groove 210, and then the limiting end 110 is embedded in the limiting hole 220.

In practical use, the inventor finds that, because the use environment of the hydraulic pliers is outdoor, if sundries are attached to the clamping hook 100 or foreign matters enter the limiting hole 220, the connection stability between the clamping seat 200 and the clamping hook 100 is low, when the piston drives the movable pliers head to apply force to the wiring terminal, the clamping hook 100 is separated from the limiting hole 220, material waste is easy to be caused, at this time, the limiting hole 220 needs to be cleaned, and the limiting hole 220 is positioned at the bottom of the accommodating groove 210, so that time and labor are wasted for cleaning the limiting hole 220, and improvement exists.

Disclosure of Invention

In order to improve the convenience of cleaning the clamping hooks and the clamping seats by operators, the utility model provides an electro-hydraulic clamp with external clamping hooks.

The utility model provides an electric hydraulic clamp with an external clamping hook, which adopts the following technical scheme:

an electric hydraulic clamp with an external clamping hook comprises a hydraulic clamp body, wherein a clamping seat and the clamping hook are rotatably arranged on the hydraulic clamp body;

the movable clamp head is slidably arranged on the hydraulic clamp body and is detachably and fixedly connected with the hydraulic cylinder plunger;

a limiting opening is formed in one side, close to the clamping hook, of the clamping seat, the clamping hook comprises a connecting part, and the connecting part is embedded and clamped in the limiting opening;

the clamping seat is detachably and fixedly connected with a fixed clamp head, and after the connecting part is embedded and clamped in the limiting opening, the fixed clamp head is opposite to the movable clamp head.

By adopting the technical scheme, when an operator uses the electric hydraulic pliers to press the wiring terminal and the cable, the movable pliers head matched with the wiring terminal in size is firstly arranged on the hydraulic pliers body, and then the fixed pliers head is arranged on the clamping seat; then operating personnel rotate the cassette for behind fixed binding clip and the activity binding clip relatively, inlay the joint on the pothook in spacing mouthful, can form closed loop space on cassette and the hydraulic tong head body, distance between fixed binding clip and the hydraulic tong body is fixed this moment, and after binding post was placed between activity binding clip and fixed binding clip, the direction that hydraulic cylinder plunger drive activity binding clip was close to fixed binding clip was removed, and exerts the pressure to binding post, makes binding post and cable internal wire be connected as an organic wholely. Compared with the original mode of clamping and matching between the limiting hole and the clamping hook, the plane where the opening of the original limiting hole is located is lower than the notch of the accommodating groove, the limiting hole is arranged in the embedded hole, the two side walls of the limiting hole are arranged on the outer side wall of the clamping seat in an external mode, and after the clamping hook is used, the clamping hook is rotated away from the limiting hole, so that the two side walls of the limiting hole can be cleaned conveniently. Meanwhile, as the plane of the opening of the limiting hole is lower than the notch of the accommodating groove, the inner side wall of the limiting hole is abutted against the clamping hook, and the area of the stress surface is the area of the inner side wall of the limiting hole; the limiting opening is externally arranged and extends to the outer side wall of the clamping seat, the area of a stress surface propped between the clamping seat and the clamping hook is increased, the situation that the clamping hook is stressed too much to fall off from the clamping seat in the use process can be effectively reduced, and the stability and the pressure bearing capacity of the electric hydraulic pliers are improved.

Preferably, a first clamping wall which is obliquely arranged is formed on one side, close to the clamping hook, of the limiting opening, and the first clamping wall is inclined towards a direction away from the movable clamp head;

a second clamping wall which is obliquely arranged is formed on one side, close to the movable clamp head, of the connecting part, and the second clamping wall is oblique towards the direction close to the movable clamp head;

the first clamping wall and the second clamping wall are parallel to each other, and after the clamping hook is embedded and clamped in the limiting opening, the first clamping wall and the second clamping wall are abutted.

Through adopting above-mentioned technical scheme, because first joint wall and second joint wall are the slope form setting, after first joint wall and second joint wall laminating support tightly, be similar to the state of hooking between connecting portion and the cassette, the condition emergence that the pothook atress is too big and drops with the cassette in the use can further be reduced, further promote hydraulic tong's stability.

Preferably, a limiting plate is integrally formed on the clamping hook, a limiting clamping groove is formed in the outer side wall, close to the clamping hook, of the clamping seat, and the limiting clamping groove is matched with the limiting plate;

when the first clamping wall is abutted against the second clamping wall, the limiting plate is embedded into the limiting clamping groove.

Through adopting above-mentioned technical scheme, the both sides of limiting plate are restricted between two opposite lateral walls of spacing draw-in groove, and reducible pothook and cassette joint are fixed back pothook and are controlled the condition emergence of rocking, further promote the stability of hydraulic tong.

Preferably, a first engagement angle is formed between the first clamping wall and the outer side wall of the clamping seat, a second engagement angle is formed between the second clamping wall and the side wall, close to the clamping seat, of the connecting portion, and the first engagement angle and the second engagement angle are arranged in a round corner shape.

Through adopting above-mentioned technical scheme, operating personnel is embedding the in-process of setting up the joint in spacing mouthful with the pothook upper junction, and first linking angle and second linking angle contact, and first linking angle is the fillet form setting with the second linking angle, and operating personnel can comparatively laborsaving with the junction lock joint fixed on spacing mouthful, promotes the convenience of operating personnel installation hydraulic tongs.

In summary, the utility model comprises at least one of the following advantages of the external electric hydraulic pliers with the clamping hook:

1. through the fact that the limiting opening connected between the clamping seat and the clamping hook is arranged on the outer side wall of the clamping seat externally, after an operator separates the clamping hook from the clamping seat, the two side walls of the limiting opening are exposed on the outer side wall of the clamping seat, and at the moment, the operator can clean the two side walls of the limiting opening conveniently, and the convenience of the operator for cleaning foreign matters on the hydraulic pliers can be improved effectively;

2. the limiting opening connected with the clamping hook on the clamping seat is arranged on the outer side wall of the clamping seat, so that the connecting surface between the clamping hook and the clamping seat is increased, the stress surface of the clamping hook is increased, and the stability and the pressure bearing capacity of the hydraulic clamp are improved;

3. through the inclined arrangement of the first clamping wall and the second clamping wall, the clamping hooks and the clamping seats are clamped and then are similar to the mutually hooked arrangement, the situation that the clamping hooks are stressed to fall off from the clamping seats is reduced, and the stability of the hydraulic pliers is further improved.

Drawings

Fig. 1 is a schematic view of a hydraulic pliers with a built-in hook according to the present utility model.

Fig. 2 is a schematic view of an embodiment of the present utility model primarily for illustrating the overall structure of an electro-hydraulic clamp.

Fig. 3 is a schematic view mainly showing that the electric hydraulic pliers clamp the connecting terminal.

Fig. 4 is a schematic diagram mainly used for showing the positional relationship between the limiting plate and the limiting clamping groove in the embodiment of the utility model.

Reference numerals illustrate: 100. a clamping hook; 110. a limiting end; 200. a clamping seat; 210. a receiving groove; 220. a limiting hole; 1. a hydraulic clamp body; 2. a clamping seat; 21. a limit opening; 211. a first clamping wall; 22. a limit clamping groove; 23. a first engagement angle; 3. a clamping hook; 31. a connection part; 311. a second clamping wall; 32. a limiting plate; 33. a second engagement angle; 4. a movable clamp head; 5. fixing the clamp head; 6. a connection terminal; 7. an end of the cable.

Detailed Description

The utility model is described in further detail below with reference to fig. 2-4.

Examples

The embodiment of the utility model discloses an electric hydraulic clamp with an external clamping hook. Referring to fig. 2, the electro-hydraulic pliers mainly comprise a hydraulic pliers body 1, wherein a clamping seat 2 and a clamping hook 3 are arranged on the hydraulic pliers through two rotating shafts, and the clamping seat 2 and the clamping hook 3 are oppositely arranged.

Referring to fig. 3 and 4, in the embodiment of the present utility model, the clamping seat 2 is arranged approximately in a ring shape, the inner side wall of the clamping seat 2 is embedded and detachably and fixedly connected with the fixed clamp head 5, the side of the hydraulic clamp body 1, which is close to the clamping seat 2, is embedded and slidingly provided with the movable clamp head 4, and the movable clamp head 4 is detachably and fixedly connected with the piston of the hydraulic cylinder.

In the embodiment of the utility model, the movable binding clip 4 and the fixed binding clip 5 are arranged approximately in a semicircular arc shape, and when the clamping seat 2 rotates until the fixed binding clip 5 is opposite to the movable binding clip 4, an operator can rotate the clamping hook 3, so that the clamping hook 3 is clamped and fixed with the clamping seat 2.

At this time, the distance between the fixed clamp head 5 and the hydraulic clamp body 1 on the clamping seat 2 is fixed, an operator inserts the connecting terminal 6 between the fixed clamp head 5 and the movable clamp head 4, and starts the hydraulic clamp, the hydraulic cylinder plunger drives the movable clamp head 4 to move towards the direction close to the fixed clamp head 5, and the movable clamp head 4 applies pressure to the connecting terminal 6, so that the connecting terminal 6 and the cable end 7 are tightly connected into a whole.

In the embodiment of the present utility model, in order to achieve the technical effect of detachable and fixed connection between the clamping seat 2 and the clamping hook 3, referring to fig. 3 and 4, a limiting opening 21 is formed on the outer side wall of the clamping seat 2, which is close to the clamping hook 3, and a first clamping wall 211 is formed on one side of the limiting opening 21, which is close to the hydraulic clamp body 1.

The end part of the clamping hook 3, which is close to the clamping seat 2, is integrally formed and extended with a connecting part 31, and one side of the connecting part 31, which is close to the liquid level clamp body, is formed with a second clamping wall 311.

The length of the first clamping wall 211 is matched with the length of the second clamping wall 311, when an operator rotates the clamping seat 2 to enable the fixed clamp head 5 on the clamping seat 2 to be opposite to the movable clamp head 4, the operator can rotate the clamping hook 3, and the connecting portion 31 on the clamping hook 3 is buckled in the limiting opening 21, so that the first clamping wall 211 is attached to the second clamping wall 311.

When the piston drives the movable binding clip 4 to move towards the direction close to the fixed binding clip 5, and the connecting terminal 6 is abutted between the fixed binding clip 5 and the movable binding clip 4, the first clamping wall 211 is abutted with the second clamping wall 311, and the connecting part 31 limits the movement of the clamping seat 2 towards the direction far away from the hydraulic clamp body 1.

Compared with the original mode of clamping and matching between the limiting hole and the clamping hook 3, the plane of the opening of the original limiting hole is lower than the notch of the accommodating groove, the limiting hole is arranged in the embedded hole, the two side walls of the limiting hole 21 are arranged on the outer side wall of the clamping seat 2 in an external mode, and after the clamping hook 3 is used, the clamping hook 3 is rotated away from the limiting hole 21, so that the two side walls of the limiting hole 21 can be cleaned conveniently.

Meanwhile, as the plane of the opening of the limiting hole is lower than the notch of the accommodating groove, the inner side wall of the limiting hole is abutted against the clamping hook, and the area of the stress surface is the area of the inner side wall of the limiting hole; the limiting opening 21 is externally arranged and extends to the outer side wall of the clamping seat 2, the area of a stress surface propped between the clamping seat 2 and the clamping hook 3 is increased, the situation that the clamping hook 3 is excessively stressed and falls off from the clamping seat 2 in the using process can be effectively reduced, and the stability and the pressure bearing capacity of the electro-hydraulic pliers are improved.

Referring to fig. 4, in the embodiment of the present utility model, the first clamping wall 211 and the second clamping wall 311 are both inclined, and the first clamping wall 211 is inclined towards the direction away from the hydraulic clamp body 1, the second clamping wall 311 is inclined towards the direction close to the hydraulic clamp body 1, and the first clamping wall 211 and the second clamping wall 311 are parallel to each other.

After the connecting portion 31 is embedded and clamped in the limiting opening 21, the connecting portion 31 and the clamping seat 2 are in a state similar to the state of hooking and clamping, so that the falling-off condition of the clamping hook 3 and the clamping seat 2 can be further reduced, and the stability of the hydraulic pliers is improved.

Referring to fig. 4, in the embodiment of the present utility model, the hook 3 is integrally formed with a limiting plate 32, and the limiting plate 32 is integrally connected with the connecting portion 31, the card holder 2 is provided with a limiting slot 22 adapted to the limiting plate 32, and the limiting slot 22 penetrates through the first clamping wall 211 and the end of the card holder 2.

When operating personnel rotate the clamping hook 3 and make clamping connection between the clamping hook 3 and the clamping seat 2 fixed, the limiting plate 32 is embedded in the limiting clamping groove 22, the limiting plate 32 is embedded between two opposite side walls of the limiting clamping groove 22, the position of the clamping hook 3 can be limited, the occurrence of the condition that the clamping hook 3 is separated from the clamping seat 2 is further reduced, and the stability of the hydraulic clamp is further improved.

Referring to fig. 4, a first engagement angle 23 is formed between the first clamping wall 211 and the outer side wall of the clamping seat 2, a second engagement angle 33 is formed between the second clamping wall 311 and the end surface of the connecting portion 31, and the first engagement angle 23 and the second engagement angle 33 are both provided in a rounded shape.

The operating personnel is embedding the joint in the spacing mouthful 21 with connecting portion 31 on the pothook 3 in-process, and first linking angle 23 and the contact of second linking angle 33, and first linking angle 23 and second linking angle 33 are the fillet form setting, and operating personnel can comparatively laborsaving with connecting portion 31 lock joint fixed on spacing mouthful 21, promotes the convenience of operating personnel installation hydraulic tongs.

The implementation principle of the electric hydraulic pliers with the external clamping hooks provided by the embodiment of the utility model is as follows: through the fact that the limiting opening 21 connected between the clamping seat 2 and the clamping hook 3 is arranged on the outer side wall of the clamping seat 2 externally, after an operator separates the clamping hook 3 from the clamping seat 2, the two side walls of the limiting opening 21 are exposed on the outer side wall of the clamping seat 2, at the moment, the operator can conveniently clean the two side walls of the limiting opening 21, and the convenience of the operator for cleaning foreign matters on the hydraulic pliers can be effectively improved; through with the spacing 21 external on the lateral wall of cassette 2 that is connected between cassette 2 and the pothook 3, increased the junction surface between pothook 3 and the cassette 2, increased the stress surface of pothook 3, promoted hydraulic tong's stability and bearing capacity.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (4)

1. The electric hydraulic pliers with the external clamping hooks are characterized by comprising a hydraulic pliers body (1), wherein a clamping seat (2) and the clamping hooks (3) are rotatably arranged on the hydraulic pliers body (1);

a movable clamp head (4) is arranged on the hydraulic clamp body (1) in a sliding manner, and the movable clamp head (4) is detachably and fixedly connected with a hydraulic cylinder plunger;

a limiting opening (21) is formed in one side, close to the clamping hook (3), of the clamping seat (2), a connecting part (31) of the clamping hook (3) is embedded and clamped in the limiting opening (21);

the clamping seat (2) is detachably and fixedly connected with a fixed clamp head (5), and after the connecting part (31) is embedded and clamped in the limiting opening (21), the fixed clamp head (5) is opposite to the movable clamp head (4).

2. The electric hydraulic pliers with the external clamping hooks according to claim 1, wherein a first clamping wall (211) which is obliquely arranged is formed on one side of the limiting opening (21) close to the clamping hooks (3), and the first clamping wall (211) is inclined towards a direction away from the movable pliers head (4);

a second clamping wall (311) which is obliquely arranged is formed on one side of the connecting part (31) close to the movable clamp head (4), and the second clamping wall (311) is oblique towards the direction close to the movable clamp head (4);

the first clamping wall (211) and the second clamping wall (311) are parallel to each other, and after the clamping hook (3) is embedded and clamped in the limiting opening (21), the first clamping wall (211) is abutted against the second clamping wall (311).

3. The electric hydraulic pliers with the external clamping hooks according to claim 2, wherein the clamping hooks (3) are integrally formed with limiting plates (32), limiting clamping grooves (22) are formed in the outer side walls, close to the clamping hooks (3), of the clamping seats (2), and the limiting clamping grooves (22) are matched with the limiting plates (32);

after the first clamping wall (211) is abutted against the second clamping wall (311), the limiting plate (32) is embedded in the limiting clamping groove (22).

4. An external electric hydraulic pliers according to claim 3, characterized in that a first engagement angle (23) is formed between the first clamping wall (211) and the outer side wall of the clamping seat (2), a second engagement angle (33) is formed between the second clamping wall (311) and the side wall of the connecting portion (31) close to the clamping seat (2), and the first engagement angle (23) and the second engagement angle (33) are all in round angle arrangement.