CN219914511U - Transmitter with sealing structure - Google Patents

Abstract

The utility model discloses a transmitter with a sealing structure, which belongs to the technical field of transmitters and comprises a transmitter body for measuring physical quantities such as temperature, pressure, liquid level, components and the like, and further comprises a sealing connecting piece, wherein the sealing connecting piece is connected below the transmitter body to enable the transmitter body to be in sealing connection when being installed, a mounting piece is connected below the sealing connecting piece, the mounting piece is matched with the sealing connecting piece to seal and rapidly install and detach the transmitter body, the mounting piece can be a connecting flange which is convenient to connect with external equipment and can be other connecting pieces, the whole body can be lifted without rotating when the locking piece is connected with the lower sealing piece, the locking piece is convenient, time-saving and labor-saving when the locking piece is connected, the tail part of the locking piece is locked and limited by rotating a threaded cylinder, the stability of the connection is improved, and the sealing performance is prevented from being lowered due to loosening of threads.

Description

Transmitter with sealing structure

Technical Field

The utility model relates to the field of transmitters, in particular to a transmitter with a sealing structure.

Background

An important component of a transmitter automatic control system plays a role in the fields of instruments and meters and industrial automation, and the transmitter measures physical quantities such as temperature, pressure, liquid level, components and the like and converts the physical quantities into unified standard signals.

In the prior art, a temperature transmitter with safety seal structure has been applied for to CN202222049254.5, includes: the connector comprises a junction box, a butt joint piece and a protection pipe, wherein the butt joint piece is installed at the bottom of the junction box, the protection pipe is installed at the bottom of the butt joint piece in a penetrating manner, and an installation head is installed on the outer wall, close to the bottom, of the protection pipe; the bottom of the mounting head is provided with a mounting groove, the inner wall of the mounting groove is fixedly abutted with a connecting threaded pipe, and the inner wall of the mounting groove on one side of the connecting threaded pipe is provided with a sealing mechanism. This temperature transmitter with safety seal structure carries out the butt joint through connecting post and the protruding head inside with sealed pad and mounting groove, and the sealing pad just can fix a position the bottom of installing at the head like this, and after connecting screwed pipe and butt joint mouth of pipe are connected, the sealing pad just can install both butt joint ends, just so can keep the leakproofness of both butt joint parts through the sealing pad when using to can promote the security of connecting screwed pipe butt joint position through this sealing structure when using.

But in the above-mentioned scheme, through in the middle of installing the mounting groove of installing the head bottom with sealed pad, the through-hole that will seal the pad simultaneously is with spliced pole and the protruding head of mounting groove bottom through interference relation dock, like this when connecting screwed pipe and butt joint mouth of pipe are connected the back, sealed pad just can seal connecting screwed pipe and butt joint mouth of pipe junction portion like this, thereby can promote the security at connecting screwed pipe junction portion through this seal structure when using, it is through exposing the junction sealing washer of sealing washer outside the screwed pipe for a long time and ageing easily reduces the life-span that the leakproofness reduces the use and need rotate the whole equipment of top through the screwed pipe of connection when dismantling and installing foretell changer, the heavier easy rocking of top can shine into certain damage to screwed pipe screw thread and influence the leakproofness of connection when not having the connection, because of the heavier angle that need continuous adjustment of top is connected makes the screw thread align, be convenient for restrict the junction when connecting the equipment is connected and prevent that the screw thread from loosening from leading to the leakproofness to the decline. How to develop a transmitter with a sealing structure to improve the problems is a urgent problem to be solved by the person skilled in the art.

Disclosure of Invention

In order to overcome the defects, the utility model provides a transmitter with a sealing structure, which aims to improve the problems that a sealing ring is arranged at a joint of the outer side of a connecting threaded pipe, the sealing ring is easy to age for a long time, the service life is reduced, the sealing property is reduced, the whole equipment above is required to rotate when the transmitter is disassembled and assembled through the connecting threaded pipe, the sealing property of the connection is influenced by the fact that the screw thread of the threaded connecting pipe is irradiated to a certain degree by heavy upper shaking easily when the connection is not tight, the screw thread is aligned because the angle of the connection is required to be continuously adjusted when the upper part is heavy, and the sealing property is not reduced due to the fact that the screw thread is not limited to be loosened when the equipment is connected.

The utility model is realized in the following way: the utility model provides a seal structure's changer, includes the changer body that is used for carrying out measuring physical quantities such as temperature, pressure, liquid level, composition, still includes sealing connection spare, sealing connection spare connect in the below of changer body makes carry out sealing connection when the changer body is installed, sealing connection spare's below is connected with the installed part, the installed part cooperation sealing connection spare seals quick installation and tear down the dress to the changer body.

In a preferred technical scheme of the utility model, the top of the sealing connecting piece is fixedly welded with the transmitter body through one end of the upper sealing pipe, the other end of the upper sealing pipe is externally rotated to limit and sleeved with the locking block, the lower sealing block is fixedly welded above the sealing connecting piece, and the locking block is connected with the outer threads of the lower sealing block to pull the tops of the upper sealing pipe and the lower sealing block to be tightly attached to seal.

In a preferred technical scheme of the utility model, the contact surfaces of the lower sealing block and the upper sealing pipe are respectively connected with a rubber sealing ring.

In a preferred technical scheme of the utility model, a chute is arranged at the outer part of one end of the upper sealing tube far away from the transmitter body, and a circular ring is arranged in the locking block sleeved at the outer end of the upper sealing tube and corresponds to the chute of the upper sealing tube in a limiting sliding manner.

In a preferred technical scheme of the utility model, nuts are fixedly sleeved and welded at one end of the locking block and the middle part of the lower sealing block.

In a preferred technical scheme of the utility model, a limit cylinder is fixedly sleeved outside one end of the upper seal tube, which is close to the transmitter body, a limit ring is arranged in the limit cylinder in a limit sliding manner, a spring is arranged between the limit ring and the limit cylinder, the spring extrudes the limit ring to retract towards the inside of the limit cylinder, a thread cylinder is sleeved outside the limit cylinder in a threaded manner, and one ends of the limit ring and the locking block are tightly attached to the thread cylinder to limit.

In a preferred technical scheme of the utility model, a plurality of grooves are formed in the outer part of the upper sealing tube in an equal division manner, and a convex block is arranged in the limiting ring and is in corresponding limiting sliding arrangement with the outer groove of the upper sealing tube.

In a preferred technical scheme of the utility model, a plurality of strip-shaped through holes are uniformly formed in the edge of one end, close to the locking block, of the limiting ring, the inner wall of the limiting ring is in an anti-skid arrangement, and the joint of the locking block and the limiting ring is an inclined plane, and one end, close to the limiting ring, of the limiting ring is lower than one end, far away from the limiting ring.

In a preferred technical scheme of the utility model, one end of the limiting ring, which is positioned in the limiting cylinder, is a cylinder with an outer edge, and the spring is arranged in a gap formed by the limiting ring and the limiting cylinder.

In a preferred technical scheme of the utility model, the threaded cylinder is arranged in two sections, and one section of internal thread is arranged in a plane corresponding to the outer end of the limiting ring.

The beneficial effects of the utility model are as follows: according to the transmitter with the sealing structure, when the transmitter is used, the upper sealing tube and the lower sealing block are tightly connected through the nuts outside the wrench rotating locking block and the lower sealing block, the whole body is not driven to rotate and lift up when the rotating locking block is connected with the lower sealing block, so that the transmitter is convenient, time-saving and labor-saving when the transmitter is connected, the locking block is prevented from loosening by locking and limiting the tail part of the locking block through the rotating thread cylinder, the stability of connection is improved, the tightness is prevented from being reduced due to loosening of threads, and when the transmitter is disassembled, the locking of the locking block is released by the rotating thread cylinder firstly, and then the connection between the rotating locking block and the lower sealing block is released, so that the transmitter body is convenient and simple.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a side structure provided by an embodiment of the present utility model;

FIG. 2 is a schematic view of another structure according to an embodiment of the present utility model;

fig. 3 is a schematic diagram of a split structure according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a sealing connection according to an embodiment of the present utility model;

fig. 5 is an exploded cross-sectional view of a sealing connector according to an embodiment of the present utility model.

In the figure: 110-a transmitter body; 120-sealing the connection; 121-upper sealing tube; 122-locking blocks; 123-lower sealing block; 124-a limiting cylinder; 125-limiting rings; 126-a threaded cylinder; 127-spring; 130-mount.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

Referring to fig. 1 and 2, the present utility model provides a technical solution: the utility model provides a seal structure's changer, including being used for carrying out the changer body 110 of measuring physical quantities such as temperature, pressure, liquid level, composition, still include sealing connection spare 120, sealing connection spare 120 is connected in the below of changer body 110 and carries out sealing connection when making changer body 110 install, and sealing connection spare 120's below is connected with mounting 130, and mounting 130 cooperates sealing connection spare 120 to seal quick installation and tear down the dress to changer body 110, and mounting 130 can be the flange be convenient for be connected can be other connecting pieces with external equipment.

Referring to fig. 3 and 4, the top of the sealing connector 120 is fixedly welded with the transmitter body 110 through one end of the upper sealing tube 121, the other end of the upper sealing tube 121 is externally rotated to limit and sleeved with the locking block 122, the lower sealing block 123 is fixedly welded above the sealing connector 120, the locking block 122 is tightly attached to the tops of the upper sealing tube 121 and the lower sealing block 123 for sealing by pulling the tops of the upper sealing tube 121 and the lower sealing block 123 through external threaded connection of the locking block 122, and the upper sealing tube 121 is driven by the locking block 122 to be in sealing connection with the lower sealing block 123 for enabling the transmitter body 110 and the mounting member 130 to be connected for convenient later disassembly and maintenance.

The contact surfaces of the lower sealing block 123 and the upper sealing pipe 121 are connected and provided with rubber sealing rings, the sealing rings are used for improving the tightness and preventing air leakage or liquid leakage caused by poor sealing effect in the later period, and the sealing rings are corrosion-resistant sealing rings. The outer spout that has seted up of one end that upper seal tube 121 kept away from transmitter body 110 outside, the latch segment 122 cup joints the inside of the outside one end of upper seal tube 121 and is provided with the ring and corresponds spacing slip with the spout of upper seal tube 121, can not drive whole rotation top and mention when rotating latch segment 122 and lower seal segment 123 to be connected, can not need rotate comparatively convenient labour saving and time saving when connecting. Nuts are fixedly sleeved and welded at one end of the locking block 122 and the middle part of the lower sealing block 123, and the two nuts are rotated by a wrench so that the upper sealing pipe 121 and the lower sealing block 123 are connected more tightly, and the sealing effect is better.

Referring to fig. 4 and 5, a limiting cylinder 124 is fixedly sleeved at the outer portion of one end of the upper sealing tube 121, which is close to the transmitter body 110, a limiting ring 125 is arranged in the limiting cylinder 124 in a limiting sliding manner, a spring 127 is arranged between the limiting ring 125 and the limiting cylinder 124, the spring 127 extrudes the limiting ring 125 to retract towards the inside of the limiting cylinder 124, a threaded cylinder 126 is sleeved at the outer portion of the limiting cylinder 124, the threaded cylinder 126 enables one ends of the limiting ring 125 and the locking block 122 to be tightly attached to each other for limiting, and the spring 127 is used for extruding the limiting ring 125 to keep away from the locking block 122 and not affected when the locking block 122 rotates.

The outer part of the upper sealing tube 121 is equally provided with a plurality of grooves, and the inside of the limiting ring 125 is provided with a bump and the outer groove of the upper sealing tube 121 is correspondingly in a limiting sliding arrangement for limiting the linear movement of the limiting ring 125. The limit ring 125 is close to one end of the lock block 122 and the edge thereof is uniformly provided with a plurality of strip-shaped through holes, the inner wall of the limit ring is in anti-slip arrangement, the joint of the lock block 122 and the limit ring 125 is an inclined plane, one end close to the limit ring 125 is lower than one end far away from the limit ring 125, the outer side of the limit ring 125 is a locking cylinder with similar expansion bolts, the locking cylinder is a reversible expansion pipe, when the lock block 122 is locked, the thread cylinder 126 is rotated to enable the thread cylinder 126 to extrude the limit ring 125 to one side of the lock block 122 through the cooperation of the limit cylinder 124, the thread cylinder 126 is pressed downwards to compress and limit the inclined plane of the lock block 122, and when the limit ring 125 is not extruded to the lock block 122, the limit ring 125 is pulled outwards to enable the tail of the lock block 122 to prop up the limit ring 125, and simultaneously the thread cylinder 126 is rotated to extrude and limit the lock block 122. The one end that spacing ring 125 is located the inside of spacing section of thick bamboo 124 is the drum setting of outband edge, and spring 127 sets up in the gap that spacing ring 125 and spacing section of thick bamboo 124 formed, is convenient for extrude spacing ring 125 through spring 127 and makes it shrink into spacing section of thick bamboo 124 in prevent to influence at rotation latch segment 122. The screw thread section of thick bamboo 126 is two sections settings, and one section of internal thread is the corresponding setting of plane and the outer end of spacing ring 125, is convenient for extrude spacing ring 125 and is convenient for screw thread section of thick bamboo 126 keep away from spacing ring 125, and the outside of screw thread section of thick bamboo 126 can set up the antiskid line and can set up the rotation of flat spanner of being convenient for.

Working principle: during installation, the locking block 122 is in threaded connection with the lower sealing block 123, meanwhile, the locking block 122 is pulled by the locking block 122 to be close to the lower sealing block 123, sealing is carried out through a sealing ring between the upper sealing pipe 121 and the lower sealing block 123, the upper sealing pipe 121 and the lower sealing block 123 are tightly connected through nuts outside the wrench rotating locking block 122 and the lower sealing block 123, the threaded cylinder 126 is moved to one side of the limiting ring 125 through the rotating threaded cylinder 126, the tail of the locking block 122 is locked and limited through the locking cylinder outside the threaded cylinder 126, the locking block 122 is prevented from loosening, and during disassembly, the locking of the limiting ring 125 is released by the rotating threaded cylinder 126, and then the connection between the locking block 122 and the lower sealing block 123 is released, so that the transmitter body 110 is disassembled.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A transmitter with a sealing structure is characterized by comprising a transmitter body for measuring physical quantities such as temperature, pressure, liquid level, components and the like, and further comprising

The sealing connection piece is connected to the lower portion of the transmitter body so that the transmitter body can be in sealing connection during installation, the installation piece is connected to the lower portion of the sealing connection piece, and the installation piece is matched with the sealing connection piece to seal the transmitter body and install and detach the transmitter body rapidly.

2. The transmitter of claim 1, wherein the transmitter comprises: the top of the sealing connecting piece is fixedly welded with the transmitter body through one end of an upper sealing pipe, the other end of the upper sealing pipe is externally rotated to limit and sleeve a locking block, the upper sealing piece is fixedly welded with a lower sealing block above the sealing connecting piece, and the locking block is connected with the outer threads of the lower sealing block to pull the upper sealing pipe and the top of the lower sealing block to be tightly attached to seal.

3. The transmitter of claim 2, wherein the transmitter comprises: and the contact surfaces of the lower sealing block and the upper sealing pipe are connected with each other to form a rubber sealing ring.

4. The transmitter of claim 2, wherein the transmitter comprises: the upper sealing tube is far away from one end of the transmitter body, a sliding groove is formed in the outer portion of the upper sealing tube, and the locking block is sleeved in the upper sealing tube, is provided with a circular ring in the inner portion of one end of the outer portion of the upper sealing tube and corresponds to the sliding groove of the upper sealing tube to be limited and slid.

5. The transmitter of claim 2, wherein the transmitter comprises: and nuts are fixedly sleeved and welded at one end of the locking block and the middle part of the lower sealing block.

6. The transmitter of claim 2, wherein the transmitter comprises: the upper sealing tube is close to one end of the transmitter body, a limiting cylinder is fixedly sleeved outside one end of the upper sealing tube, a limiting ring is arranged in the limiting cylinder in a limiting sliding mode, a spring is arranged between the limiting ring and the limiting cylinder, the spring extrudes the limiting ring to retract inside the limiting cylinder, a threaded cylinder is sleeved outside the limiting cylinder, and the threaded cylinder enables one end of the limiting ring and one end of the locking block to be tightly attached to each other for limiting.

7. The transmitter of claim 6, wherein the transmitter comprises: the outer part of the upper sealing tube is equally provided with a plurality of grooves, and the inside of the limiting ring is provided with a convex block and the outer groove of the upper sealing tube is correspondingly in limiting sliding arrangement.

8. The transmitter of claim 6, wherein the transmitter comprises: the limit ring is close to one end of the locking block, a plurality of strip-shaped through holes are uniformly formed in the edge of the limit ring, the inner wall of the limit ring is in anti-slip arrangement, and the joint of the locking block and the limit ring is inclined planes, and one end, close to the limit ring, is lower than one end, far away from the limit ring.

9. The transmitter of claim 8, wherein the transmitter comprises: the limiting ring is located at one end inside the limiting cylinder and is arranged in a cylinder with an outer edge, and the spring is arranged in a gap formed by the limiting ring and the limiting cylinder.

10. The transmitter of claim 8, wherein the transmitter comprises: the thread cylinder is arranged in two sections, one section of internal thread is a plane and the outer end of the limiting ring is correspondingly arranged.