CN217980358U

CN217980358U - Waterproof rotary encoder

Info

Publication number: CN217980358U
Application number: CN202221717272.XU
Authority: CN
Inventors: 吕庚; 王丹
Original assignee: Henan Ranhang Electronic Technology Co ltd
Current assignee: Henan Ranhang Electronic Technology Co ltd
Priority date: 2022-07-04
Filing date: 2022-07-04
Publication date: 2022-12-06
Anticipated expiration: 2032-07-04

Abstract

The utility model discloses a waterproof rotary encoder, including rotary encoder, the line hole has been seted up to rotary encoder's outside, and the inside in line hole is provided with the wire, and the wire is connected with the rotary encoder electricity, and rotary encoder's surface mounting has external screw thread pipe, and the line hole is located the inside of external screw thread pipe, and the through-hole has been seted up to the surface of external screw thread pipe. This waterproof rotary encoder, through the internal thread pipe at the external thread pipe surface to rotary encoder removal, the flared tube removes the opening diameter to the encoder and reduces gradually, flared tube inner wall extrusion inclined plane ball is taking the telescopic link to slide the inside that gets into the external thread pipe at the inside of through-hole, the inside slip area splint of the outside screwed tube of telescopic link are close to the wire and are contradicted and fix it at its surface, the realization is fixed to the wire, its stretching resistance has been increased, it is relatively poor to avoid the tradition to punch to pierce through the fixed effect of wire, when dragging by external force, the easy not hard up problem that causes contact failure of wire junction.

Description

Waterproof rotary encoder

Technical Field

The utility model relates to an encoder technical field specifically is a waterproof formula rotary encoder.

Background

The encoder is a device which compiles and converts signals or data into signal forms which can be used for communication, transmission and storage, converts angular displacement or linear displacement into electric signals, wherein the former is called a code disc, and the latter is called a code scale, and the encoder can be divided into a contact type encoder and a non-contact type encoder according to a reading mode, but the traditional encoder on the market still has the following problems:

traditional encoder wire installation is mostly encoder shell and punches the mode that pierces through the connection, punches and pierces through the wire and lead to the shell leakproofness relatively poor, has reduced encoder waterproof performance, and the fixed effect of wire is relatively poor, when dragging by external force, and the wire junction is easy not hard up to cause contact failure's problem.

Disclosure of Invention

An object of the utility model is to provide a waterproof formula rotary encoder to the installation of the traditional encoder wire that provides in solving above-mentioned background is mostly the encoder shell and punches the mode that pierces through the connection, punches and pierces through the wire and lead to the shell leakproofness relatively poor, has reduced encoder waterproof performance, and the fixed effect of wire is relatively poor, when dragging by external force, the wire junction easily becomes flexible and causes contact failure's problem.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a waterproof formula rotary encoder, includes rotary encoder, the line hole has been seted up to rotary encoder's outside, the inside in line hole is provided with the wire, and the wire is connected with rotary encoder electricity, rotary encoder's surface mounting has external screw thread pipe, and the line hole is located external screw thread pipe's inside, the through-hole has been seted up to external screw thread pipe's surface, and the inside sliding connection of through-hole has the telescopic link, the telescopic link is kept away from external screw thread pipe's one end and is installed the bevel ball, and the telescopic link is kept away from the one end of bevel ball and is installed splint, and splint divide into two parts, and partly is connected with the telescopic link, and another part is fixed in external screw thread pipe's inboard, external screw thread pipe's right side is provided with the internal thread pipe, and the surface mounting of internal thread pipe has six arris fixture block, the trumpet is installed to the left end of internal thread pipe, the internally mounted sealing mechanism of internal thread pipe.

Preferably, a bracket is installed on the bottom surface of the rotary encoder, and an installation hole is formed in the surface of the bracket.

Preferably, each telescopic link's outside all cup joints the spring, the both ends of spring respectively with the surface fixed connection of bevel ball and external screw thread pipe.

Preferably, each inner side surface of the clamping plate is provided with a non-slip mat made of rubber.

Preferably, sealing mechanism includes the gasket, the inside sliding connection of internal thread pipe has the gasket, annular gasbag is installed to the right flank of gasket, the right-hand member fixedly connected with holding ring of internal thread pipe, and the left surface fixed connection of annular gasbag and holding ring.

Preferably, the left side fixedly connected with support column of holding ring, and the support column runs through the inside of installing at cyclic annular gasbag, the outside cover of support column is equipped with the registration arm, and the inner wall fixed connection of registration arm and cyclic annular gasbag.

Compared with the prior art, the beneficial effects of the utility model are that: the waterproof type a rotary encoder is provided, which is capable of rotating,

1. the inner threaded pipe moves towards the rotary encoder on the surface of the outer threaded pipe, the horn pipe moves towards the encoder, the inner wall of the horn pipe extrudes the inclined-plane ball, the telescopic rod is carried by the inclined-plane ball to slide in the through hole and enter the outer threaded pipe, the telescopic rod slides towards the inner part of the outer threaded pipe and drives the clamping plate to be close to the lead and to be abutted against the surface of the lead to fix the lead, so that the lead is fixed, the tensile resistance of the lead is increased, and the problems that the traditional punching penetrating lead is poor in fixing effect, and the lead joint is easy to loosen to cause poor contact when pulled by external force are solved;

2. when twisting to rotary encoder through the internal thread pipe on external thread pipe surface, external thread pipe right-hand member supports the gasket and removes to the holding ring and extrudees annular gasbag, and its inner race inflation of annular gasbag extrusion is contradicted with the wire surface and is sealed, guarantees the sealed effect of wire department, avoids traditional punching to pierce through the wire and leads to the relatively poor situation of shell leakproofness to take place, improves encoder waterproof performance.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the internal structure of the external thread pipe of the present invention;

FIG. 3 is a schematic view of the internal structure of the internal threaded tube of the present invention;

FIG. 4 is a schematic view of the internal structure of the annular air bag of the present invention;

FIG. 5 is a schematic side view of a rotary encoder according to the present invention;

fig. 6 is an enlarged schematic structural diagram of a in fig. 1 according to the present invention.

In the figure: 1. a rotary encoder; 2. a support; 3. a wire; 4. a beveled ball; 5. a spring; 6. a through hole; 7. an externally threaded tube; 8. a splint; 9. a non-slip mat; 10. a telescopic rod; 11. a flare tube; 12. an internally threaded tube; 13. a sealing mechanism; 14. a hexagonal fixture block; 15. a wire hole; 131. a gasket; 132. an annular air bag; 133. a positioning ring; 134. a positioning tube; 135. and (4) a support column.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, the present invention provides a technical solution: the utility model provides a waterproof rotary encoder, including rotary encoder 1, line hole 15 has been seted up to rotary encoder 1's outside, the inside of line hole 15 is provided with wire 3, and wire 3 is connected with rotary encoder 1 electricity, rotary encoder 1's surface mounting has outer screw tube 7, and line hole 15 is located the inside of outer screw tube 7, through-hole 6 has been seted up to the surface of outer screw tube 7, and the inside sliding connection of through-hole 6 has telescopic link 10, telescopic link 10 is kept away from the one end of outer screw tube 7 and is installed the scarf ball 4, and telescopic link 10 is kept away from the one end of scarf ball 4 and is installed splint 8, the right side of outer screw tube 7 is provided with internal thread pipe 12, and the surface of internal thread pipe 12 installs six arris fixture block 14, the left end of internal thread pipe 12 installs trumpet 11, the internally mounted sealing mechanism 13 of internal thread pipe 12, through grabbing internal thread pipe 12 with trumpet 11 towards rotary encoder 1, make internal thread pipe 12 in the surface of outer screw tube 7 surface removal to rotary encoder 1, trumpet 11 moves to the direction of encoder 1, trumpet 11 inner wall extrusion scarf ball 4 takes the telescopic link 7 to slide the inside of outer screw tube 7 to get into outside with, it has been brought the fixed wire 3 and has been realized its fixed the fixed power of wire on its surface, it has been close to the telescopic link 3 and has been reached its fixed splint.

Referring to fig. 1, a bracket 2 is installed on a bottom surface of a rotary encoder 1, and a mounting hole is formed on a surface of the bracket 2, so that the rotary encoder 1 is convenient to install.

Referring to fig. 2 and 6, a spring 5 is sleeved outside each telescopic rod 10, two ends of each spring 5 are fixedly connected with the outer surfaces of the inclined ball 4 and the outer threaded pipe 7, and the inclined ball 4 is pushed under the action of the spring 5 to pull the telescopic rod 10 to slide towards the outside of the outer threaded pipe 7, so that the fixing state of the lead 3 is released conveniently.

Referring to fig. 2, the inner side surface of each clamping plate 8 is provided with the anti-slip pad 9, and the anti-slip pad 9 is made of rubber, so as to increase the friction force with the wires 3, and thus the wires 3 are more stably fixed.

Referring to fig. 3 and 4, the sealing mechanism 13 includes a gasket 131, the gasket 131 is slidably connected to the inside of the internal threaded tube 12, the annular air bag 132 is installed on the right side surface of the gasket 131, the positioning ring 133 is fixedly connected to the right end of the internal threaded tube 12, the annular air bag 132 is fixedly connected to the left side surface of the positioning ring 133, the supporting column 135 penetrates through the annular air bag 132, the positioning tube 134 is sleeved outside the supporting column 135, and the positioning tube 134 is fixedly connected to the inner wall of the annular air bag 132, when the internal threaded tube 12 is screwed to the rotary encoder 1 on the surface of the external threaded tube 7, the right end of the external threaded tube 7 abuts against the gasket 131 to move towards the positioning ring 133 to press the annular air bag 132, and the annular air bag 132 presses the inner ring to expand to abut against the surface of the lead 3 for sealing.

The working principle is as follows: when the waterproof rotary encoder is used, firstly, the internal thread tube 12 is held to enable the flared tube 11 to face the rotary encoder 1, the internal thread tube 12 moves towards the rotary encoder 1 on the surface of the external thread tube 7, the flared tube 11 moves towards the direction of the encoder 1, the inner wall of the flared tube 11 extrudes the inclined ball 4 to drive the telescopic rod 10 to slide in the through hole 6 and enter the internal thread tube 7, the telescopic rod 10 drives the clamp plate 8 to slide in the external thread tube 7 to be close to the lead 3 and abut against the surface of the lead 3 to fix the lead, when the internal thread tube 12 is screwed towards the rotary encoder 1 on the surface of the external thread tube 7, the right end of the external thread tube 7 abuts against the gasket 131 to move towards the positioning ring 133 to extrude the annular air bag 132, the annular air bag 132 extrudes the inner ring thereof to abut against the surface of the lead 3 to seal, and the whole waterproof and hermetic effect is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a waterproof formula rotary encoder, includes rotary encoder (1), its characterized in that: wire hole (15) have been seted up to the outside of rotary encoder (1), the inside in wire hole (15) is provided with wire (3), and wire (3) are connected with rotary encoder (1) electricity, the surface mounting of rotary encoder (1) has external screw tube (7), and wire hole (15) are located the inside of external screw tube (7), through-hole (6) have been seted up to the surface of external screw tube (7), and the inside sliding connection of through-hole (6) has telescopic link (10), the one end that external screw tube (7) were kept away from in telescopic link (10) is installed bevel ball (4), and telescopic link (10) keep away from bevel ball (4) one end and install splint (8) that are used for pressing from both sides tight wire (3), the right side of external screw tube (7) is provided with internal thread pipe (12), and the surface mounting of internal thread pipe (12) has six arris fixture block (14), horn pipe (11) are installed to the left end of internal thread pipe (12), internally mounted sealing mechanism (13) of internal thread pipe (12).

2. A water-resistant rotary encoder according to claim 1, wherein: a support (2) is installed on the bottom surface of the rotary encoder (1), and a mounting hole is formed in the surface of the support (2).

3. A water-resistant rotary encoder according to claim 2, wherein: each outside of telescopic link (10) all cup joints spring (5), the both ends of spring (5) respectively with the surface fixed connection of inclined plane ball (4) and external screw thread pipe (7).

4. A water-resistant rotary encoder according to claim 3, characterized in that: each non-slip mat (9) is installed to the medial surface of splint (8), and the material of non-slip mat (9) is rubber.

5. The waterproof rotary encoder according to claim 4, wherein: sealing mechanism (13) include gasket (131), the inside sliding connection of internal thread pipe (12) has gasket (131), annular gasbag (132) are installed to the right flank of gasket (131), the right-hand member fixedly connected with holding ring (133) of internal thread pipe (12), and the left surface fixed connection of annular gasbag (132) and holding ring (133).

6. The waterproof rotary encoder according to claim 5, wherein: the left surface fixedly connected with support column (135) of holding ring (133), and support column (135) run through and install the inside at cyclic annular gasbag (132), the outside cover of support column (135) is equipped with registration arm (134), and the inner wall fixed connection of registration arm (134) and cyclic annular gasbag (132).