CN211265781U

CN211265781U - Binding post protection device and be used for bellows subassembly of threading

Info

Publication number: CN211265781U
Application number: CN202020098077.8U
Authority: CN
Inventors: 胡广举; 张安文; 孔令斌
Original assignee: Xinxiang Guangming Electrical Appliance Co ltd
Current assignee: Xinxiang Guangming Electrical Appliance Co ltd
Priority date: 2020-01-17
Filing date: 2020-01-17
Publication date: 2020-08-14
Anticipated expiration: 2030-01-17

Abstract

The utility model discloses a connecting terminal protection device and a corrugated pipe assembly for threading, wherein the connecting terminal protection device comprises a needle seat for inserting a connecting terminal and a sheath, the sheath is provided with a corrugated pipe interface and a needle seat accommodating cavity corresponding to the needle seat, one side of the needle seat accommodating cavity is provided with an opening for installing the needle seat, and the corrugated pipe interface is communicated with the needle seat accommodating cavity; the corrugated pipe connector is provided with a semi-surrounding pipe clamp, the inner wall surface of the semi-surrounding pipe clamp is provided with arc-shaped ribs corresponding to outer annular grooves of a corrugated pipe connected with the corrugated pipe connector, the corrugated pipe connector is provided with a groove, and the semi-surrounding pipe clamp can be tightly mounted in the groove. The wiring terminal protection device arranges the part of the circuit between the corrugated pipe and the needle seat and the whole needle seat in the sheath, and has good protection effect on the circuit and the joint at the front end of the circuit.

Description

Binding post protection device and be used for bellows subassembly of threading

Technical Field

The utility model relates to a line protection technical field, concretely relates to binding post protection device and be used for bellows subassembly of threading.

Background

In order to make it easy to distinguish between the various lines, prevent the various lines from crossing and being damaged, the lines belonging to the same function are usually threaded through the same protection tube, and the corrugated tube is usually used as the protection tube of the lines because the corrugated tube is easy to run. After the circuit passes through the protection tube, the end of the circuit is connected with the wiring terminal, the wiring terminal is installed on the needle seat, and the needle seat is used for being connected with other corresponding needle seats, so that the wiring is clear, the connection of the circuit is convenient, and the circuit is protected.

Although the protection tube can protect the circuit well, the wiring terminal connected with the end of the circuit needs to be connected with the needle seat, so that the part of the circuit between the needle seat and the end of the corrugated tube is exposed and cannot be protected, generally, faults such as skin breaking, breaking and the like easily occur on the exposed part, the normal electrifying and communication functions are influenced, the communication and electrifying circuits are generally positioned in the equipment shell, and the number of the circuits is large, so that the faults are difficult to inquire and maintain.

Chinese patent publication No. CN209217316U discloses a wire harness having a waterproof and dustproof structure at the tail, in which the corrugated pipes in the sheath of the wire harness are not tightly connected, and when the wire harness radially shakes, the tail clip of the sheath is easily forced to be separated from the sheath. Chinese patent publication No. CN207173500U describes a heat-resistant steam flush-proof sealing connector sheath for a steering shaft bundle of an automobile, which is integrally formed with a corrugated tube, and thus is inconvenient for installation of a line and later maintenance.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a binding post protection device and be used for the bellows subassembly of threading, solve among the prior art technical problem that binding post lacks effective protection.

In order to solve the above technical problem, the first aspect of the present invention is:

the protection device for the wiring terminal comprises a needle seat for inserting the wiring terminal and a sheath, wherein the sheath is provided with a corrugated pipe interface and a needle seat accommodating cavity corresponding to the needle seat, one side of the needle seat accommodating cavity is provided with an opening for installing the needle seat, and the corrugated pipe interface is communicated with the needle seat accommodating cavity; the corrugated pipe joint is provided with a semi-surrounding pipe clamp, the inner wall surface of the semi-surrounding pipe clamp is provided with arc-shaped ribs corresponding to outer annular grooves of a corrugated pipe connected with the corrugated pipe joint, the corrugated pipe joint is provided with grooves extending inwards from the end surface and corresponding to the semi-surrounding pipe clamp, and the semi-surrounding pipe clamp can be tightly installed in the grooves.

Preferably, the outer wall surface of the semi-surrounding pipe clamp is provided with a clamping protrusion, and the wall surface of the groove is correspondingly provided with a clamping hole.

Preferably, the inner wall surface of the groove is provided with a guide groove for guiding the clamping protrusion to the clamping hole, and the outermost end of the guide groove is provided with a guide slope.

Preferably, one side of the clamping protrusion facing the corrugated pipe interface is provided with a gentle slope part.

Preferably, the number of the clamping protrusions is two, and the two clamping protrusions are respectively positioned on the upper side and the lower side of the semi-surrounding pipe clamp; two clamping holes are formed in the clamping groove; the sheath and the semi-surrounding pipe clamp are both made of nylon.

Preferably, the semi-surrounding pipe clamp is arc-shaped on the whole, and when the semi-surrounding pipe clamp is installed in the groove, the corrugated pipe interface is in a circular hole shape corresponding to the connected corrugated pipe.

Preferably, the corrugated pipe interface and the needle seat accommodating cavity are communicated in a linear communication mode, an L-shaped communication mode or a T-shaped communication mode; when the corrugated pipe interfaces are communicated with the needle seat accommodating cavity in a T shape, two corrugated pipe interfaces are arranged and are respectively positioned at the left side and the right side of one end of the needle seat accommodating cavity.

Preferably, be equipped with the joint strip on the outer wall of needle file, the needle file holds and corresponds on the wall in chamber and is equipped with the joint mouth, the inboard lower limb of joint mouth is equipped with the guide slope.

The second aspect of the utility model is:

the design one kind is used for the bellows subassembly of threading, including the bellows, this bellows at least one end is equipped with the utility model discloses the first aspect arbitrary binding post protection device.

The utility model has the advantages of:

1. the utility model provides a binding post protection device is through wearing to establish the circuit in the bellows to and be arranged in the part and the whole needle file setting between bellows and the needle file with the circuit in the sheath, the installation is firm, has formed good protection effect to the joint of circuit and front end.

2. The utility model provides a binding post protection device structural design is exquisite, and the subassembly is few, easily installs and uses, makes things convenient for the dismouting between sheath, the semi-enclosed pipe strap and the needle file, the later stage of being convenient for is to the maintenance of circuit.

3. The utility model provides a sheath among the binding post protection device is equipped with the guide way, is equipped with the direction slope in the guide way, and partly surrounds the joint arch on the pipe strap and also is equipped with gentle slope portion, also is equipped with the direction slope in the joint mouth department of sheath, makes things convenient for the dismouting of partly surrounding pipe strap and needle file.

Drawings

Fig. 1 is an exploded view of an embodiment of the terminal protection device of the present invention.

Fig. 2 is an installation schematic diagram of an embodiment of the terminal protection device of the present invention.

Fig. 3 is a right side view of the sheath in an embodiment of the terminal protection device of the present invention.

Fig. 4 is a schematic structural view of the connecting terminal protection device of the present invention when the semi-surrounding pipe is clamped on the corrugated pipe.

Fig. 5 is a sectional view of the sheath with the needle holder installed in the embodiment of the terminal protection device of the present invention.

Fig. 6 is a schematic view illustrating the installation of the needle holder and the sheath in an embodiment of the terminal protection device of the present invention.

Fig. 7 is a schematic structural diagram of several different types of terminal protection devices according to the present invention.

Fig. 8 is a schematic structural view of the threaded bellows assembly according to an embodiment of the present invention.

In the drawings, each reference numeral means: the needle holder 1, the jack 11, the clamping strip 12, the side plate 13, the limiting table 14, the sheath 2, the corrugated pipe interface 21, the groove 211, the clamping hole 212, the guide groove 213, the guide slope 2131, the needle holder accommodating cavity 22, the opening 221, the side opening 222, the clamping interface 23, the guide slope 231, the step part 24, the circuit 3, the corrugated pipe 4, the outer annular groove 41, the semi-surrounding pipe clamp 5, the arc rib 51, the clamping protrusion 52 and the gentle slope part 521.

Detailed Description

The following embodiments are only intended to illustrate the present invention in detail, and do not limit the scope of the present invention in any way.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

a terminal protection device, please refer to fig. 1 to 7.

As shown in fig. 1, the embodiment of the utility model provides a binding post protection device is including being used for inserting binding post's needle file 1, and various conductive terminals such as contact pin, line nose that binding post used for the wiring in the needle file 1 mainly used installation binding post, binding post make binding post fixed and arrange according to certain law in the needle file 1. During actual wiring, the needle base 1 is inserted with another corresponding needle base, so that the wiring terminals in the two needle bases are correspondingly connected to realize power connection.

In the embodiment, the hub 1 is provided with four insertion holes 11 for inserting the connection terminals, one connection terminal is inserted into each insertion hole 11, the connection terminals in the four insertion holes 11 are arranged in a row, in other embodiments, the hub may have a shape, a structure and a size different from those of the hub in the embodiment, and the connection terminals in the hub may be arranged in other shapes.

The wiring terminal protection device also comprises a sheath 2, the sheath 2 is provided with a corrugated pipe interface 21 and a needle seat accommodating cavity 22 corresponding to the needle seat 1, the bottom of the needle seat accommodating cavity 22 is provided with an opening 221 for installing the needle seat 1, the needle seat 1 can be installed into the needle seat accommodating cavity 22 from the opening 221, the corrugated pipe interface 21 is communicated with the needle seat accommodating cavity 22, and the corrugated pipe interface 21 is used for connecting the end part of a corrugated pipe.

The bellows interface 21 in this embodiment is cylindrical in exterior, and the shape of the hub accommodating cavity 22 matches the shape of the hub 1, but in other embodiments, the outer shape of the bellows interface may be other shapes such as square, as long as the inner hole of the bellows interface is the shape corresponding to the bellows, and the shape of the hub accommodating cavity in other embodiments also matches the shape of the corresponding hub.

In use, as shown in fig. 2, a connection terminal is connected to the end of the line 3 for power connection, the line 3 is inserted into the bellows 4 (the line 3 and the bellows 4 in fig. 2 only have schematic effects, and do not represent actual length), the connection terminal connected to the front end of the line 3 extends out of the bellows 4, the connection terminal penetrates through the bellows interface 21 and can be mounted on the needle holder 1 after penetrating out of the opening 221, the needle holder 1 is then mounted in the needle holder accommodating cavity 22, and the front end of the bellows 4 is mounted in the bellows interface 21, so that the part of the line 3 located at the connection position of the bellows 4 and the needle holder 1 is not exposed, and the whole line 3 and the connection terminal are protected.

As shown in fig. 1, a semi-surrounding pipe clamp 5 is provided at the bellows joint 21, an inner wall surface of the semi-surrounding pipe clamp 5 is provided with arc ribs 51 corresponding to the outer annular groove 41 of the bellows 4 connected to the bellows joint 21, two arc ribs 51 are provided in the present embodiment, the distance between the two arc ribs 51 is the same as the distance between the outer annular grooves 41, and in other embodiments, a single arc rib or more than two arc ribs may be provided.

Accordingly, as shown in fig. 3, a groove 211 extending inward from the end surface and matching with the semi-surrounding pipe clamp 5 is provided in the bellows joint 21, the semi-surrounding pipe clamp 5 in this embodiment is arc-shaped as a whole, and the groove 211 is also arc-shaped, so that when the semi-surrounding pipe clamp 5 is installed in the groove 211, the bellows joint 21 is in a circular hole shape corresponding to the end of the connected bellows 4, thereby properly accommodating the end of the lower bellows 4.

As shown in fig. 4, when the corrugated pipe 4 needs to be connected to the corrugated pipe interface 21, the half-surrounded pipe clamp 5 is sleeved on the outer wall surface of the corrugated pipe 4, the arc-shaped ribs 51 on the inner wall surface of the half-surrounded pipe clamp 5 are correspondingly clamped in the outer annular grooves 41 on the outer wall surface of the corrugated pipe 4, then the end of the corrugated pipe 4 is inserted into the corrugated pipe interface 21 together with the half-surrounded pipe clamp 5, and the half-surrounded pipe clamp 5 can be tightly installed in the groove 211, so that the end of the corrugated pipe 4 can be tightly connected to the corrugated pipe interface 21.

In this embodiment, be equipped with the joint arch 52 on half 5 outer wall faces of surrounding pipe strap, it is equipped with joint hole 212 to correspond on the wall of recess 211, joint arch 52 has two, be located half 5 upper and lower both sides of surrounding pipe strap respectively, joint hole 212 corresponds there are two, be located the upper and lower both ends of recess 211 respectively, fall into corresponding joint hole 212 simultaneously when two joint arch 52, half 5 installing in recess 211 that can fasten of surrounding pipe strap, and the end card of bellows 4 is in half 5 of surrounding pipe strap, therefore, bellows 4 can not break away from sheath 2.

Furthermore, a guide groove 213 for guiding the clamping protrusion 52 to the clamping hole 212 is formed in the inner wall surface of the groove 211, a guide slope 2131 is formed at the outermost end of the guide groove 213, a gentle slope 521 is formed on one side, facing the corrugated pipe interface 21, of the clamping protrusion 52, when the semi-enclosed pipe clamp 5 is pushed into the groove 211 along the end of the groove 211, the clamping protrusion 52 can just reach the clamping hole 212 along the guide groove 213, and meanwhile, the gentle slope 521 and the guide slope 2131 are favorable for the clamping protrusion 52 to smoothly enter the guide groove 213.

The sheath 2 and the semi-surrounding pipe clamp 5 in the embodiment are both made of nylon, and can adapt to the environment from 110 ℃ to minus 60 ℃, so that the damage and deformation are avoided in severe environment.

Further, as shown in fig. 5 and fig. 6, in this embodiment, the outer wall surface of the needle base 1 is provided with the clamping strip 12, the needle base is correspondingly provided with the clamping interface 23 on the wall surface of the accommodating cavity 22, the lower edge of the inner side of the clamping interface 23 is provided with the guiding slope 231, when the needle base 1 is pushed in along the opening 221 of the bottom of the accommodating cavity 22 of the needle base, the clamping strip 12 can be clamped into the clamping interface 23 along the guiding slope 231, so that the needle base 1 can be tightly installed in the accommodating cavity 22 of the needle base.

As shown in fig. 1, the side surface of the needle holder 1 is provided with the side plate 13, the side surface of the sheath 2 is correspondingly provided with the side opening 222, and the side plate 13 is exposed from the side opening 222, so that the needle holder 1 can be conveniently moved out of the needle holder accommodating cavity 22 by pushing the side plate 13 at a later stage. Still be equipped with spacing platform 14 in the left side of needle file 1, the left side correspondence of sheath 2 is equipped with step portion 24, and spacing platform 14 card is in step portion 24, realizes the location of needle file 1 through joint strip 12 and spacing platform 14, prevents that needle file 1 from taking place to rock in needle file holds chamber 22.

Fig. 7 shows several terminal protection devices of different configurations in the present application, wherein this embodiment 1 is the terminal protection device shown in the (2) th sub-figure, and the corrugated tube interface of the terminal protection device is in L-shaped communication with the receiving cavity of the header, that is, the line penetrating through the corrugated tube is bent to connect with other corresponding headers. In other embodiments, the connection between the bellows connector and the needle seat accommodating cavity may be a straight connection in the drawing (1), i.e. the connection between the lines penetrating through the bellows and the needle seats is directly forward connected to the other corresponding needle seats; or the T-shaped communication mode in the drawing (3), when the corrugated pipe interfaces are in T-shaped communication with the needle seat accommodating cavity, two corrugated pipe interfaces are arranged and are respectively positioned at the left side and the right side of one end of the needle seat accommodating cavity, and the T-shaped communication mode enables lines penetrating through the corrugated pipes in two opposite directions to be gathered in the sheath for connecting other corresponding needle seats.

Example 2:

a bellows assembly for threading, see fig. 8.

The embodiment of the utility model provides a binding post protection device includes bellows 4, and the front end of this bellows 4 is equipped with the binding post protection device in this application embodiment 1, and other electrical components's of joinable connect the electricity pin behind the 3 rear ends of circuit stretch out bellows 4. The circuit 3 is protected in bellows 4, and the part that lies in between bellows 4 and needle file 1 on the circuit 3 is protected in sheath 2, and the circuit 3 is very regular, is convenient for the arrangement of power consumption circuit in equipment such as various vehicles, various household electrical appliances, various machine tools, and the end of a thread can obtain good protection.

In other embodiments, the terminal protection devices in embodiment 1 may also be disposed at both ends of the corrugated tube, and the terminal protection devices at the front and rear ends of the corrugated tube are used to connect with corresponding needle seats respectively.

The present invention has been described in detail with reference to the accompanying drawings and embodiments, but those skilled in the art will understand that various specific parameters in the above embodiments can be changed without departing from the spirit of the present invention to form a plurality of specific embodiments, which are the common variation ranges of the present invention and will not be described in detail herein.

Claims

1. A wiring terminal protection device comprises a needle seat for inserting a wiring terminal, and is characterized by further comprising a sheath, wherein the sheath is provided with a corrugated pipe interface and a needle seat accommodating cavity corresponding to the needle seat, one side of the needle seat accommodating cavity is provided with an opening for installing the needle seat, and the corrugated pipe interface is communicated with the needle seat accommodating cavity; the corrugated pipe joint is provided with a semi-surrounding pipe clamp, the inner wall surface of the semi-surrounding pipe clamp is provided with arc-shaped ribs corresponding to outer annular grooves of a corrugated pipe connected with the corrugated pipe joint, the corrugated pipe joint is provided with grooves extending inwards from the end surface and corresponding to the semi-surrounding pipe clamp, and the semi-surrounding pipe clamp can be tightly installed in the grooves.

2. The terminal protection device according to claim 1, wherein a clamping protrusion is arranged on the outer wall surface of the semi-surrounding pipe clamp, and a clamping hole is correspondingly arranged on the wall surface of the groove.

3. The terminal protection device according to claim 2, wherein a guide groove for guiding the clamping protrusion to the clamping hole is formed in an inner wall surface of the groove, and a guide slope is formed at an outermost end of the guide groove.

4. The terminal protection device according to claim 2, wherein a side of the clamping projection facing the bellows interface is provided with a gradual slope.

5. The terminal protection device according to claim 2, wherein two clamping protrusions are respectively positioned on the upper side and the lower side of the semi-surrounding pipe clamp; two clamping holes are formed in the clamping groove; the sheath and the semi-surrounding pipe clamp are both made of nylon.

6. The terminal protection device of claim 1, wherein the semi-surrounding ferrule is generally arcuate in shape such that when the semi-surrounding ferrule is installed in the recess, the bellows interface is in the shape of a circular hole corresponding to the connected bellows.

7. The terminal protection device according to claim 1, wherein the corrugated tube interface communicates with the hub receiving cavity in a straight line communication, an L-shaped communication or a T-shaped communication; when the corrugated pipe interfaces are communicated with the needle seat accommodating cavity in a T shape, two corrugated pipe interfaces are arranged and are respectively positioned at the left side and the right side of one end of the needle seat accommodating cavity.

8. The wiring terminal protection device according to claim 1, wherein a clamping strip is arranged on the outer wall surface of the needle base, a clamping interface is correspondingly arranged on the wall surface of the needle base accommodating cavity, and a guiding slope is arranged on the lower edge of the inner side of the clamping interface.

9. A bellows assembly for threading, comprising a bellows provided at least one end with a terminal protection device according to any one of claims 1-8.