Clamping and pressing pliers

Abstract

The utility model discloses a clamping and pressing clamp which comprises a first clamp body, a second clamp body, a reset piece and a ratchet mechanism. The first plier body comprises a first plier handle and a first plier head; the second plier body comprises a second plier handle and a second plier head; the first plier handle is hinged with the second plier handle; the resetting piece is arranged between the first clamp body and the second clamp body so as to reset the first clamp body and the second clamp body; the ratchet mechanism is connected between the first clamp handle and the first clamp head or connected between the second clamp handle and the second clamp head so as to lock the first clamp body and the second clamp body when the clamping and pressing clamp is not pressed in place. Wherein the first plier head and the second plier head are respectively provided with a first jaw and a second jaw which are matched with each other.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric power tool technical field, concretely relates to a clamp pressure pincers. BACKGROUND

[0002] The clamp pressure pincers can be used for manufacturing cable joints. For example, when manufacturing aluminum core and copper core cable joint, the clamp pressure pincers can clamp and press the compression sleeve of the cable joint. By clamping and pressing, the compression sleeve tightly wraps the cable core, thereby realizing good electrical connection. The clamp pressure pincers can also be used for shearing and stripping the cable.

[0003] The existing clamp pressure pincers are provided with an additional locking structure to realize the locking function. Since additional operation is needed to lock, the operation is very cumbersome and causes inconvenience to the user. Moreover, the clamp pressure pincers can be opened at any position during the clamping operation, which may cause the clamping to be not tight. SUMMARY

[0004] To solve at least one of the above problems, the utility model provides the technical scheme as follows:

[0005] A clamp pressure pincers includes a first pincer body, a second pincer body, a reset member and a ratchet mechanism. The first pincer body includes a first pincer handle and a first pincer head; the second pincer body includes a second pincer handle and a second pincer head; the first pincer handle and the second pincer handle are hinged; the reset member is arranged between the first pincer body and the second pincer body to reset the first pincer body and the second pincer body; the ratchet mechanism is connected between the first pincer handle and the second pincer head or connected between the second pincer handle and the first pincer head to lock the first pincer body and the second pincer body when the clamp pressure pincers is pressed to an improper position; wherein the first pincer head and the second pincer head are respectively provided with a first pincer mouth and a second pincer mouth that cooperate with each other. The first pincer mouth and the second pincer mouth can realize one or more function combinations in shearing, crimping and stripping after cooperation.

[0006] Optionally, the clamp pressure pincers have a closed state, a fully open state and an intermediate state. When the clamp pressure pincers is pressed to the closed state, the closed state is converted to the fully open state under the action of the reset member. When the clamp pressure pincers is pressed to an improper position, the clamp pressure pincers does not reach the closed state, and the clamp pressure pincers is in the intermediate state. The ratchet mechanism locks the first pincer body and the second pincer body.

[0007] Optionally, the ratchet mechanism includes a pawl assembly and a resilient member. One end of the resilient member is connected to the first pincer handle or the second pincer handle, and the other end of the resilient member is connected to the pawl assembly. The first pincer head or the second pincer head is provided with a cooperation part near the pawl assembly, which cooperates with the pawl assembly.

[0008] Optionally, the matching part comprises a tooth part and a sliding groove part, the pawl assembly and the tooth part are matched to lock the first jaw body and the second jaw body when the clamping pliers are in the intermediate state, and the pawl assembly and the sliding groove part are matched to convert the closed state to the fully open state under the action of the reset member when the clamping pliers are in the closed state.

[0009] Optionally, the tooth part and the sliding groove part are adjacent and connected.

[0010] Optionally, the pawl assembly comprises a pawl, a pawl body and a rotating shaft, the pawl is protrudingly arranged on the pawl body, and the pawl body is rotatably arranged around the rotating shaft so as to make the pawl matched with the sliding groove part or matched with the tooth part.

[0011] Optionally, the sliding groove part is a circular arc sliding groove part.

[0012] Optionally, a recess is formed by inwardly recessing one side of the first jaw head or the second jaw head close to the pawl assembly, and the recess and the matching part are arranged adjacent to each other. The pawl assembly and the recess are matched when the clamping pliers are in the fully open state. The pawl assembly and the recess are matched or matched with the matching part.

[0013] Optionally, the matching part comprises a tooth part and a sliding groove part, the tooth part is arranged between the sliding groove part and the recess.

[0014] Optionally, the pawl assembly further comprises a pushing block, the pushing block is protrudingly arranged on the pawl body, and the pushing block and the pawl are arranged at different positions in the circumferential direction of the pawl body. The pushing block can be protrudingly arranged on the jaw body, which is convenient for the user to push, and the engagement of the pawl assembly can be additionally opened by manually pushing the pushing block. The pushing block can also play a limiting function.

[0015] Optionally, the first jaw body and the second jaw body are connected together through a plier shaft, the plier shaft is provided with a reset member, and the plier shaft and the reset member are arranged between the first jaw head and the second jaw head.

[0016] Optionally, the first jaw body is provided with a first connecting shaft, the first connecting shaft is arranged between the first jaw opening and the plier shaft, the second jaw body is provided with a second connecting shaft, and the second connecting shaft is arranged between the second jaw opening and the plier shaft. The first connecting shaft connects the first jaw body and the first handle, and the second connecting shaft connects the second jaw body and the second handle.

[0017] Optionally, the first jaw body and the first handle are further connected through a first limiting column, the first jaw body is provided with a first limiting groove, the second jaw body and the second handle are further connected through a second limiting column, the second jaw body is provided with a second limiting groove, the first limiting column is connected in the second limiting groove, and the second limiting column is connected in the first limiting groove. The cooperation of the limiting groove and the limiting column has a fixed opening degree when the first jaw opening and the second jaw opening are opened.

[0018] Optionally, the first handle and the second handle are both provided with an insulating handle.

[0019] Optionally, the reset member is a torsion spring.

[0020] Optionally, the elastic member is a spring.

[0021] Compared with the prior art, the technical scheme has the beneficial effects that:

[0022] The clamping forceps can lock the first clamping body and the second clamping body at any position without being pressed in place under the action of the ratchet mechanism, so that no additional operation is needed, which is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 is a perspective view of the crimping forceps in the closed state of the embodiment of the utility model;

[0024] Figure 2 is a sectional view of the crimping forceps in the closed state of the embodiment of the utility model;

[0025] Figure 3 is a partial enlarged view of A of the crimping forceps in the closed state of the embodiment of the utility model; Figure 2

[0026] Figure 4 is a schematic diagram of the crimping forceps in the completely open state of the embodiment of the utility model with part of the structure removed;

[0027] Figure 5 is a schematic diagram of the crimping forceps in the intermediate state of the embodiment of the utility model with part of the structure removed. DETAILED DESCRIPTION

[0028] In order to further understand the content of the utility model, the utility model will be described in detail in combination with the drawings and the embodiments.

[0029] In the description of the utility model, it should be pointed out that unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood broadly, for example, it can be fixedly connected, integrally connected or detachably connected, it can be mechanically connected or electrically connected, or it can be the communication between two elements, it can be directly connected or indirectly connected through an intermediate medium, and those skilled in the art can understand the specific meaning of the above-mentioned terms according to the specific circumstances.

[0030] In combination with the drawings, Figures 1 to 5 ​The utility model discloses technical scheme is a kind of clamping pressure pliers, including first pliers body 1, second pliers body 2, reset piece 4 and ratchet mechanism 5.First pliers body 1 includes first pliers handle 11 and first pliers head 6;Second pliers body includes second pliers handle 21 and second pliers head 8;First pliers handle and second pliers handle are hinged;Reset piece is located between first pliers body and second pliers body to make first pliers body and second pliers body reset;Ratchet mechanism is connected between first pliers handle 11 and second pliers head 8 to lock first pliers body and second pliers body when clamping pressure pliers is pressed to not in place;Wherein, first pliers head and second pliers head are respectively equipped with the first jaw 12 and the second jaw 22 of mutually cooperating.The first jaw and the second jaw can realize one or more function combinations in shearing, pressure welding, stripping etc after cooperation.

[0031] In the embodiment, ratchet mechanism 5 includes pawl assembly 51 and elastic member 52, one end of the elastic member is connected with the first pliers handle, the one end of the elastic member can be sleeved on shaft 9, the other end of the elastic member is connected with the pawl assembly, one side of second pliers head 8 close to the pawl assembly is equipped with cooperation part 61 matched with pawl assembly 51, at this time, the ratchet mechanism is connected between first pliers handle 11 and one end of second pliers head 8.

[0032] Cooperation part 61 includes tooth part 611 and sliding groove part 612, when clamping pressure pliers is in intermediate state, pawl assembly and tooth part cooperate to lock first pliers body and second pliers body;When clamping pressure pliers is in closed state, pawl assembly and sliding groove part cooperate to convert closed state to fully open state under the action of reset piece.Tooth part and sliding groove part are adjacent and connected.In the side of first pliers head or second pliers head close to pawl assembly, recess 613 is formed inwardly, and recess and cooperation part are adjacent.Tooth part is located between sliding groove part and recess.Tooth part and recess 613 are adjacent and connected.Sliding groove part is circular arc sliding groove part, and recess is circular arc recess.

[0033] Pawl assembly 51 includes pawl 511, pawl main body 512 and rotating shaft 513, pawl is arranged protruding from pawl main body, and pawl main body is rotatably arranged around rotating shaft, so that pawl cooperates with sliding groove part or tooth part.Pawl assembly further includes push block 514, and push block is arranged protruding from pawl main body, and push block and pawl are arranged at different positions on the circumference of pawl main body.

[0034] In the embodiment, first pliers body 1 and second pliers body 2 are connected together through pliers shaft 3, reset piece 4 is arranged on pliers shaft 3, reset piece 4 is connected between first pliers body and second pliers body, and reset piece 4 drives first pliers body and second pliers body to open.

[0035] First pliers body and second pliers body are connected together through pliers shaft, reset piece is arranged on pliers shaft, and pliers shaft and reset piece are arranged between first pliers head and second pliers head.

[0036] The first jaw body 1 is provided with a first connecting shaft 13 arranged between the first jaw and the jaw shaft, and the second jaw body 2 is provided with a second connecting shaft 23 arranged between the second jaw and the jaw shaft. The first connecting shaft connects the first jaw body and the first jaw handle, and the second connecting shaft connects the second jaw body and the second jaw handle.

[0037] In the embodiment, the first jaw body 1 is provided with a first limiting column 25, the second jaw body 2 is provided with a second limiting column 15, one end of the first jaw head is provided with a first limiting groove 51, and one end of the second jaw head is provided with a second limiting groove 71. The first limiting column 25 is connected in the second limiting groove 71, and the first limiting column 15 is connected in the first limiting groove 51. The first limiting column connects the first jaw body and the second jaw handle, and the second limiting column connects the second jaw body and the first jaw handle. In the process of switching between the closed state, the intermediate state and the fully open state of the crimping pliers, the first limiting column slides in the second limiting groove from the top to the bottom of the groove, and the second limiting column slides in the first limiting groove from the top to the bottom of the groove.

[0038] The first jaw handle and the second jaw handle are respectively connected by two connecting pieces. One end of the two connecting pieces of the first jaw handle is fixed by the first connecting shaft 13, and the first jaw head is also fixed by the first connecting shaft. The other end of the two connecting pieces of the first jaw handle is fixed by the first limiting column 25, and the first limiting column slides in the second limiting groove 71 of the second jaw head. The two connecting pieces of the second jaw handle are the same. The two connecting pieces of the first jaw handle and the two connecting pieces of the second jaw handle are connected by the jaw shaft 3 between the first limiting column and the first connecting shaft.

[0039] The first jaw handle 11 and the second jaw handle 21 are both provided with an insulating sleeve.

[0040] In the embodiment, the reset member 4 is a torsion spring, and other reset members such as compression springs can also be used.

[0041] The clamping pliers have a closed state, a fully open state and an intermediate state. When the clamping pliers are pressed to the closed state, the pawl and the sliding groove part cooperate, the clamping pliers are not locked, and the closed state is directly converted to the fully open state under the action of the reset member. When the clamping pliers are not pressed to the position, the clamping pliers do not reach the closed state, the pawl and the tooth part cooperate at this time, the clamping pliers are in the intermediate state, and the ratchet mechanism locks the first jaw body and the second jaw body. Therefore, the clamping pliers can be fixed at any position without being crimped in place. Under the action of external force, such as pressing the jaw handle, the fully open state or the intermediate state can be converted to the closed state, or the fully open state can be converted to the intermediate state.

[0042] The above describes the utility model and its embodiments in a schematic manner, and the description is not restrictive, and the drawings only show one of the embodiments of the utility model, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired thereby, without departing from the creative purpose of the utility model, similar structural modes and embodiments are designed without creativity, and all should belong to the protection scope of the utility model.

Claims

1. A clamp press, characterized in that, The utility model relates to a clamping forceps, comprising: a first jaw body comprising a first jaw handle and a first jaw head; a second jaw body comprising a second jaw handle and a second jaw head; the first jaw handle and the second jaw handle are hinged; a reset member arranged between the first jaw body and the second jaw body to reset the first jaw body and the second jaw body; and a ratchet mechanism connected between the first jaw handle and the second jaw head or connected between the second jaw handle and the first jaw head to lock the first jaw body and the second jaw body when the clamping forceps are pressed to an improper position. The first jaw head and the second jaw head are respectively provided with a first jaw opening and a second jaw opening that match each other.

2. The caliper according to claim 1, wherein The clamping forceps have a closed state, a fully open state and an intermediate state. When the clamping forceps are pressed to the closed state, the closed state is converted to the fully open state under the action of the reset member. When the clamping forceps are pressed to an improper position, the clamping forceps do not reach the closed state and are in the intermediate state, and the ratchet mechanism locks the first jaw body and the second jaw body.

3. The caliper of claim 2, wherein, The ratchet mechanism comprises a pawl assembly and an elastic member. One end of the elastic member is connected to the first jaw handle or the second jaw handle, and the other end of the elastic member is connected to the pawl assembly. The first jaw head or the second jaw head is provided with a matching part near one side of the pawl assembly.

4. The caliper of claim 3, wherein, The matching part comprises a tooth part and a sliding groove part. When the clamping forceps are in the intermediate state, the pawl assembly and the tooth part match to lock the first jaw body and the second jaw body. When the clamping forceps are in the closed state, the pawl assembly and the sliding groove part match to convert the closed state to the fully open state under the action of the reset member.

5. The caliper of claim 4, wherein, The tooth part and the sliding groove part are adjacent and connected.

6. The caliper of claim 4, wherein, The pawl assembly comprises a pawl, a pawl body and a rotating shaft. The pawl protrudes from the pawl body, and the pawl body is rotatably arranged around the rotating shaft so that the pawl matches the sliding groove part or matches the tooth part.

7. The caliper of claim 4, wherein, The sliding groove part is a circular arc sliding groove part.

8. A clamp according to any one of claims 3 to 7, wherein, The first jaw head or the second jaw head is recessed inward near one side of the pawl assembly to form a groove. The groove and the matching part are arranged adjacent to each other, and the pawl assembly matches the groove or matches the matching part.

9. The caliper of claim 8, wherein, The matching part comprises a tooth part and a sliding groove part. The tooth part is arranged between the sliding groove part and the groove.

10. The caliper of claim 6, wherein, The pawl assembly further comprises a push block. The push block protrudes from the pawl body, and the push block and the pawl are arranged at different positions in the circumferential direction of the pawl body.

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