CN113241607B - Adjustable valve assembly of electric shock prevention low-voltage switch cabinet - Google Patents

Abstract

The application provides an adjustable valve assembly of an electric shock prevention low-voltage switch cabinet, which comprises a cabinet body and component connecting plates, wherein the component connecting plates are connected with fixed pipes through positioning columns, the fixed pipes are sleeved and fixed on vertical rods, the vertical rods are fixedly connected between second sliding blocks, the second sliding blocks are connected on guide rails in a sliding manner, the guide rails are welded and fixed on the inner side walls of the cabinet body, first sliding blocks are connected on the guide rails in a sliding manner, the first sliding blocks are fixedly connected with guide rods, transparent protection plates are arranged between the guide rods, and the transparent protection plates are positioned on the front sides of the component connecting plates. The application is beneficial to protecting components, realizes the purpose of electric shock protection, also facilitates the control of the moving position of the first sliding block, further carries out limit control on the moving position of the components through the first sliding block, realizes the adjustable purpose, has simple operation and reduces the maintenance difficulty.

Description

Adjustable valve assembly of electric shock prevention low-voltage switch cabinet

Technical Field

The application relates to the technical field of switch cabinets, in particular to an adjustable valve assembly of an electric shock-proof low-voltage switch cabinet.

Background

The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters the main control switch in the cabinet, then enters the sub-control switch, and each shunt is arranged according to the requirement. The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of generating, transmitting, distributing and converting electric energy of the electric power system.

When the existing anti-electric shock low-voltage switch cabinet is used for overhauling the components, the components are pulled by the valve generally, and the components are inconvenient to stop at any position due to the fact that the opening angle of the valve is fixed, so that the convenience of operation is reduced, the overhauling difficulty of the components is increased, and the use limitation is high.

Disclosure of Invention

The application aims to provide an adjustable valve assembly of an electric shock prevention low-voltage switch cabinet, which solves the problems above or at least partially solves the problems above, so as to solve the problem that the existing low-voltage switch cabinet has great difficulty in overhauling components.

In order to achieve the above purpose, the technical scheme of the application is specifically realized as follows:

the application provides an adjustable valve assembly of an electric shock prevention low-voltage switch cabinet, which comprises a cabinet body and component connecting plates, wherein the component connecting plates are positioned in the cabinet body, the component connecting plates are connected with fixed pipes through positioning columns, the fixed pipes are sleeved and fixed on vertical rods, the vertical rods are fixedly connected between second sliding blocks, the second sliding blocks are slidingly connected on guide rails, the guide rails are welded and fixed on the inner side walls of the cabinet body, the guide rails are slidingly connected with first sliding blocks, the first sliding blocks are fixedly connected with guide rods, transparent protection plates are arranged between the guide rods, and the transparent protection plates are positioned on the front sides of the component connecting plates.

As a further scheme of the application, the guide rod is sleeved with the sleeve and the gasket, the gasket is respectively fixed at the top end and the bottom end of the sleeve, the gasket is respectively positioned on the upper surface and the lower surface of the transparent protection plate, the inner side wall of the sleeve is fixedly adhered with the elastic rubber strip, the elastic rubber strip is filled in the guide notch, the guide notch is formed in the outer side surface of the guide rod, the outer side surface of the transparent protection plate is fixedly adhered with the magnet block, the outer side surface of the magnet block is provided with the arc notch, the arc notch is matched and sleeved on the sleeve, the movement of the sleeve is conveniently guided by the elastic rubber strip, the movement height of the sleeve is conveniently controlled, and the placing angle of the transparent protection plate is conveniently limited and controlled by the arc notch.

The utility model discloses a transparent protection board, including transparent protection board, gasket, transparent protection board, U type bayonet socket, transparent protection board upper surface and lower surface have all been seted up spacing notch, be provided with the lug in the spacing notch, lug welded fastening is at the gasket medial surface, U type bayonet socket has been seted up to transparent protection board trailing flank outside, the internal diameter and the external diameter phase-match of fixed pipe of U type bayonet socket, transparent protection board is made by polyethylene plastics and forms, and transparent protection board is equipped with more than three, more than three transparent protection board and components and parts connecting plate one-to-one, has realized carrying out insulating protection's purpose to the components and parts in the cabinet body, is convenient for drive components and parts connecting plate through transparent protection board moreover and removes, and then pulls components and parts, easy operation, stability is high.

The guide rail is internally provided with a polish rod, the polish rod is welded and fixed with the inner side surface of the cabinet body, the first sliding block and the second sliding block are all sheathed on the polish rod in a sliding way, the upper surface and the lower surface of the polish rod are smooth surfaces, more than two gaps are formed in the inner side surface of the polish rod at equal intervals, a limiting block is arranged on the gaps and is arranged in an open slot, the limiting block is rotationally connected with the first sliding block through a rotating shaft, the open slot is formed in the first sliding block, the right part of the limiting block extends out of the right side of the open slot, the right part of the limiting block is provided with a flat slot, and the limiting block is conveniently connected with the gaps in a connecting and separating way through rotating the limiting block, so that the movement of the first sliding block is conveniently limited.

As a further scheme of the application, the rubber sleeve is fixedly adhered to the inside of the second sliding block, and is filled between the second sliding block and the polished rod, so that the moving stability of the second sliding block along the guide rail and the polished rod is improved through the self elasticity of the rubber sleeve.

As a further scheme of the application, the side surface of the fixing pipe is fixedly welded with the connecting plate, the front side surface of the connecting plate is fixedly welded with the positioning column, the front part of the positioning column penetrates through the component connecting plate and is connected with the snap spring assembly, and the snap spring assembly is positioned on the front side surface of the component connecting plate, so that the component connecting plate is limited, and the purpose of preventing falling is realized.

As a further scheme of the application, the clamp spring assembly consists of a left clamp ring, a front convex head, a right clamp ring and a rear convex head, wherein the left clamp ring is positioned at the left side of the right clamp ring and is sleeved and fixed on the rear convex head, the right clamp ring is sleeved and fixed on the front convex head, the front convex head is connected with the front side of the rear convex head, the rear side of the front convex head is integrally connected with a threaded head, the front side surface of the rear convex head is provided with a threaded hole, the threaded head is connected in the threaded hole through threaded engagement, and the left clamp ring and the right clamp ring are rotated so as to conveniently drive the front convex head and the rear convex head to rotate, and then the front convex head and the rear convex head are contracted under the action of threads.

As a further scheme of the application, the top of the left clamping ring and the top of the right clamping ring are respectively provided with a stepped notch, the left clamping ring and the right clamping ring are matched and arranged together through the stepped notches and are combined into a ring shape, the lower parts of the left clamping ring and the right clamping ring are respectively provided with a round hole, the left clamping ring and the right clamping ring are conveniently matched and connected together through the stepped notches, and the rotation of the left clamping ring and the right clamping ring is also conveniently limited.

As a further scheme of the application, the annular side face of the positioning column is provided with the annular clamping groove, the left clamping ring and the right clamping ring are sleeved on the annular clamping groove, the inner wall of the annular clamping groove is provided with the positioning groove hole, the outer parts of the front protruding head and the rear protruding head are respectively arranged in the positioning groove hole in a matching way, and the clamping spring assembly is sleeved on the annular groove hole, so that the limiting of the component connecting plate through the clamping spring assembly is realized, and the component connecting plate is convenient to assemble and disassemble.

The application provides an adjustable valve assembly of an electric shock prevention low-voltage switch cabinet, which has the beneficial effects that: through setting up transparent guard plate and guide bar, be favorable to protecting components and parts, the purpose of protection against electric shock protection has been realized, and through setting up the sleeve pipe, elastic rubber strip and gasket, then conveniently control transparent guard plate's position, also be convenient for come to pull components and parts through transparent guard plate's removal, easy operation, the security is high, personnel and components and parts's direct contact has been avoided, and through setting up polished rod, breach and stopper, then the convenience is controlled first slider's mobile position, and then carry out limit control to components and parts's mobile position through first slider, adjustable purpose has been realized, easy operation has reduced the degree of difficulty of maintenance, and through carrying out the dismouting to the jump ring subassembly, then conveniently dismantle components and parts connecting plate, the purpose of convenient combination and dismouting has been realized, convenient maintenance, excellent in use effect.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Fig. 2 is a schematic structural view of a polish rod according to an embodiment of the present application.

Fig. 3 is a schematic diagram of a connection structure between a limiting block and an optical rod in an embodiment of the application.

Fig. 4 is a schematic diagram of a separation structure of a stopper and a polish rod in the embodiment of the present application.

Fig. 5 is a front view of a transparent shield plate according to an embodiment of the present application.

Fig. 6 is a top view of a transparent shield plate according to an embodiment of the present application.

Fig. 7 is a top view of a positioning post and a component connection board according to an embodiment of the present application.

Fig. 8 is a side view of a positioning post and a component connection board according to an embodiment of the application.

Fig. 9 is a schematic structural view of a snap spring assembly according to an embodiment of the present application.

Fig. 10 is a schematic view of a partial connection structure of a clip spring assembly according to an embodiment of the present application.

Fig. 11 is a schematic structural view of a left snap ring according to an embodiment of the present application.

Fig. 12 is a schematic structural diagram of a right clasp according to an embodiment of the present application.

Fig. 13 is an enlarged schematic view of the structure a in fig. 1 according to an embodiment of the present application.

Fig. 14 is an enlarged schematic view of the structure B in fig. 5 according to the embodiment of the present application.

In the figure: 1. a cabinet body; 2. a component connecting plate; 3. a vertical rod; 4. a transparent protection plate; 5. a guide rod; 6. a first slider; 7. a guide rail; 8. a polish rod; 9. a limiting block; 10. a sleeve; 11. an elastic rubber strip; 12. a gasket; 13. a second slider; 14. a fixed tube; 15. a clamp spring assembly; 41. a limit notch; 42. a U-shaped bayonet; 51. a guide slot; 61. an open slot; 81. a notch; 91. a flat slot; 121. a bump; 131. a rubber sleeve; 141. positioning columns; 151. a left clasp; 152. a front nose; 153. a right clasp; 154. a rear nose; 1521. a thread head; 1541. and (3) a threaded hole.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, the adjustable valve assembly of the electric shock prevention low-voltage switch cabinet provided by the embodiment of the application comprises a cabinet body 1 and component connecting plates 2, wherein the component connecting plates 2 are positioned in the cabinet body 1, the component connecting plates 2 are connected with fixed pipes 14 through positioning columns 141, the fixed pipes 14 are sleeved and fixed on vertical rods 3, the vertical rods 3 are fixedly connected between second sliding blocks 13, the second sliding blocks 13 are slidably connected on guide rails 7, the guide rails 7 are fixedly welded on the inner side walls of the cabinet body 1, the guide rails 7 are slidably connected with first sliding blocks 6, the first sliding blocks 6 are fixedly connected with guide rods 5, transparent protection plates 4 are arranged between the guide rods 5, and the transparent protection plates 4 are positioned on the front sides of the component connecting plates 2.

In the use process, the transparent protection plate 4 is used for protecting components on the component connecting plate 2, the electric shock protection is realized, the first sliding block 6 moves along the guide rail 7, the moving position of the first sliding block 6 is controlled, the first sliding block 6 is used for limiting the second sliding block 13, the moving position of the components is controlled, the purpose of conveniently adjusting the moving position of the components is realized, the transparent protection plate 4 rotates and moves, the vertical rod 3 is conveniently pulled by the transparent protection plate 4, the component connecting plate 2 and the components are further driven to move, and the purpose of conveniently moving and overhauling the components is realized.

As shown in fig. 1, fig. 5, fig. 6 and fig. 14, the guide rod 5 is sleeved with the sleeve 10 and the gasket 12, the gasket 12 is respectively fixed at the top end and the bottom end of the sleeve 10, the gasket 12 is respectively positioned on the upper surface and the lower surface of the transparent protection plate 4, the inner side wall of the sleeve 10 is fixedly bonded with the elastic rubber strip 11, the elastic rubber strip 11 is filled in the guide notch 51, the guide notch 51 is formed in the outer side surface of the guide rod 5, the outer side surface of the transparent protection plate 4 is fixedly bonded with the magnet block, the outer side surface of the magnet block is provided with the arc notch, and the arc notch is matched and sleeved on the sleeve 10.

Limiting notch 41 has all been seted up to transparent guard plate 4 upper surface and lower surface, is provided with lug 121 in the limiting notch 41, lug 121 welded fastening is at gasket 12 medial surface, and transparent guard plate 4 trailing flank outside has seted up U type bayonet socket 42, and the internal diameter of U type bayonet socket 42 and the external diameter phase-match of fixed pipe 14, and transparent guard plate 4 is made by polyethylene plastics, and transparent guard plate 4 is equipped with more than three, and transparent guard plate 4 and components and parts connecting plate 2 one-to-one more than three.

In the use process, the sleeve 10 is moved up and down along the guide rod 5, so that the gasket 12 and the transparent protection plate 4 are conveniently and synchronously driven to move up and down along the guide notch 51, the movement of the transparent protection plate 4 is guided, the sleeve 10 is conveniently and tightly supported by the self elasticity of the elastic rubber strip 11, the movement position of the transparent protection plate 4 is conveniently controlled, the switching of the components between exposure and shielding is realized, the protection effect is improved, the overhaul of the components is also convenient, the separation of the magnet block and the sleeve 10 is conveniently driven when the transparent protection plate 4 is moved inwards along the convex block 121, the transparent protection plate 4 is then held at one end far away from the sleeve 10 and pulled forwards, the transparent protection plate 4 is rotated around the central axis of the convex block 121, the U-shaped bayonet 42 on the transparent protection plate 4 is close to the vertical rod 3, then the transparent protection plate 4 is moved backwards along the convex block 121 and the limiting notch 41, the U-shaped bayonet 42 is driven to be close to the vertical rod 3, then the U-shaped bayonet 42 is sleeved on the vertical rod 3, the transparent protection plate 4 is pulled forwards at the moment, the synchronous forward movement of the vertical rod 3, the component connecting plate 2, the second sliding block 13 and the components is realized, the components are moved out of the cabinet body 1, the overhaul is convenient, the insulation protection and the limiting of the component connecting plate 2 are convenient to carry out by the residual transparent protection plate 4 and the first sliding block 6, the use safety is improved, and the use effect is good.

As shown in fig. 1-4, the polished rod 8 is arranged inside the guide rail 7, the polished rod 8 is welded and fixed with the inner side surface of the cabinet body 1, the first sliding block 6 and the second sliding block 13 are both in sliding sleeve connection with the polished rod 8, the upper surface and the lower surface of the polished rod 8 are smooth surfaces, more than two notches 81 are formed in the inner side surface of the polished rod 8 at equal intervals, a limiting block 9 is arranged on the notch 81, the limiting block 9 is arranged in the open slot 61, the limiting block 9 is rotationally connected with the first sliding block 6 through a rotating shaft, the open slot 61 is formed in the first sliding block 6, the right part of the limiting block 9 extends out from the right side of the open slot 61, and a flat slot 91 is formed in the right part of the limiting block 9.

In the use process, the limiting block 9 is rotated, so that the limiting block 9 rotates to drive the flat slot 91 on the limiting block 9 to rotate into the open slot 61, after the limiting block 9 rotates 180 degrees, the limiting block 9 is separated from the notch 81 on the polished rod 8, meanwhile, the flat slot 91 points to the notch 81 on the polished rod 8, the first sliding block 6 is moved along the smooth surface on the polished rod 8, the position of the first sliding block 6 is adjusted, the limiting span is reset, the first sliding block 6 is limited by the limiting block 9, the position of the first sliding block 6 is adjusted, the movement of the second sliding block 13 is limited by the first sliding block 6, the moving position of a component is adjusted, the operation is simple, the application range is wide, and the component is convenient to overhaul.

As shown in fig. 1 and 13, a rubber sleeve 131 is fixedly adhered inside the second slider 13, and the rubber sleeve 131 is filled between the second slider 13 and the polish rod 8.

In the use process, the rubber sleeve 131 is filled between the second sliding block 13 and the polished rod 8, so that the rubber sleeve 131 can conveniently extend into the notch 81 under the action of self elasticity of the rubber sleeve 131, the second sliding block 13 is limited by the rubber sleeve 131, the placement stability of the second sliding block 13 is improved, the rubber sleeve 131 is conveniently driven to move by pulling the second sliding block 13, the rubber sleeve 131 and the second sliding block 13 can conveniently and stably move under the action of self elasticity deformation of the rubber sleeve 131, and the component connecting plate 2 and the component are synchronously driven to move by the movement of the second sliding block 13, so that the component is conveniently overhauled.

As shown in fig. 1 and fig. 7-12, a connecting plate is welded and fixed on the side surface of the fixed pipe 14, a positioning column 141 is welded and fixed on the front side surface of the connecting plate, the front part of the positioning column 141 penetrates through the component connecting plate 2 and is connected with a clamp spring assembly 15, and the clamp spring assembly 15 is positioned on the front side surface of the component connecting plate 2.

The jump ring subassembly 15 comprises left snap ring 151, preceding convex head 152, right snap ring 153 and back convex head 154, and left snap ring 151 is located right snap ring 153 left side, and left snap ring 151 cup joints and fix on back convex head 154, and right snap ring 153 cup joints and fixes on preceding convex head 152, and preceding convex head 152 is connected in the front side of back convex head 154, and preceding convex head 152 rear side an organic whole is connected with screw thread head 1521, and screw thread 1541 has been seted up to back convex head 154 leading flank, and screw thread head 1521 passes through the screw thread meshing and connects in screw thread 1541.

The top of the left clamping ring 151 and the top of the right clamping ring 153 are provided with stepped notches, the left clamping ring 151 and the right clamping ring 153 are matched and arranged together through the stepped notches and are combined into a ring shape, and round holes are formed in the lower parts of the left clamping ring 151 and the right clamping ring 153.

The annular side of the positioning column 141 is provided with an annular clamping groove, the left clamping ring 151 and the right clamping ring 153 are sleeved on the annular clamping groove, the inner wall of the annular clamping groove is provided with a positioning groove hole, and the outer parts of the front protruding head 152 and the rear protruding head 154 are matched and arranged in the positioning groove hole.

In the use process, a user holds the left clamp ring 151 and the right clamp ring 153 respectively, then rotates the right clamp ring 153 anticlockwise around the central axis of the rear boss 154, so as to drive the front boss 152 to rotate, and then synchronously drive the threaded head 1521 to rotate and move backwards along the threaded hole 1541, the purposes of driving the front boss 152 to approach the rear boss 154, then putting the front boss 152 and the rear boss 154 into annular clamping grooves, and correspondingly putting the front boss 152 and the rear boss 154 into the positioning slots, and then reversely rotating the right clamp ring 153, so that the front boss 152 is far away from the rear boss 154, the front boss 152 and the rear boss 154 are synchronously driven to extend into the positioning slots, the falling-off of the left clamp ring 151 and the right clamp ring 153 is avoided, the limiting of the component connecting plate 2 through the left clamp spring and the right clamp spring is realized, the anti-falling protection purpose of the component connecting plate 2 is realized, and the left clamp ring 151 and the right clamp ring 153 are reversely operated, the left clamp ring 151 and the right clamp ring 153 are conveniently and easily detached from the annular clamping grooves and the component connecting plate 2 are conveniently detached.

The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and variations of the present application will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the application are to be included in the scope of the claims of the present application.

Claims (7)

1. The utility model provides a valve subassembly with adjustable protection against electric shock low tension switchgear, includes cabinet body (1) and components and parts connecting plate (2), components and parts connecting plate (2) are located cabinet body (1) inside, a serial communication port, components and parts connecting plate (2) are connected with fixed pipe (14) through reference column (141), fixed pipe (14) cup joint and fix on montant (3), montant (3) fixed connection is between second slider (13), second slider (13) sliding connection is on guide rail (7), guide rail (7) welded fastening is on cabinet body (1) inside wall, and sliding connection has first slider (6) on guide rail (7), fixed connection is at guide bar (5) between first slider (6), be provided with transparent guard plate (4) between guide bar (5), transparent guard plate (4) are located components and parts connecting plate (2) front side.

The guide rod (5) is sleeved with a sleeve (10) and a gasket (12), the gasket (12) is respectively fixed at the top end and the bottom end of the sleeve (10), the gasket (12) is respectively positioned on the upper surface and the lower surface of the transparent protection plate (4), an elastic rubber strip (11) is adhered and fixed on the inner side wall of the sleeve (10), the elastic rubber strip (11) is filled in a guide notch (51), the guide notch (51) is formed in the outer side surface of the guide rod (5), a magnet block is adhered and fixed on the outer side surface of the transparent protection plate (4), an arc notch is formed in the outer side surface of the magnet block, and the arc notch is matched and sleeved on the sleeve (10);

limiting notch (41) have all been seted up to transparent guard plate (4) upper surface and lower surface, be provided with lug (121) in limiting notch (41), lug (121) welded fastening is at gasket (12) medial surface, U type bayonet socket (42) have been seted up to transparent guard plate (4) trailing flank outside, the internal diameter of U type bayonet socket (42) and the external diameter phase-match of fixed pipe (14), transparent guard plate (4) are made by polyethylene plastics, and transparent guard plate (4) are equipped with more than three groups, more than three groups transparent guard plate (4) and components and parts connecting plate (2) one-to-one.

2. The adjustable valve assembly of an electric shock prevention low-voltage switch cabinet according to claim 1, wherein a polish rod (8) is arranged inside the guide rail (7), the polish rod (8) is welded and fixed with the inner side surface of the cabinet body (1), the first sliding block (6) and the second sliding block (13) are both sleeved on the polish rod (8) in a sliding manner, the upper surface and the lower surface of the polish rod (8) are smooth surfaces, more than two notches (81) are formed in the inner side surface of the polish rod (8) at equal intervals, a limiting block (9) is arranged on the notch (81), the limiting block (9) is arranged in the opening groove (61), the limiting block (9) is connected with the first sliding block (6) in a rotating manner through a rotating shaft, the opening groove (61) is formed in the first sliding block (6), the right part of the limiting block (9) extends out of the right side of the opening groove (61), and the right part of the limiting block (9) is provided with a flat-mouth groove (91).

3. The adjustable valve assembly of the electric shock prevention low-voltage switch cabinet according to claim 2, wherein a rubber sleeve (131) is fixedly adhered inside the second sliding block (13), and the rubber sleeve (131) is filled between the second sliding block (13) and the polished rod (8).

4. The adjustable valve assembly of the electric shock prevention low-voltage switch cabinet according to claim 1, wherein a connecting plate is fixedly welded on the side surface of the fixed pipe (14), a positioning column (141) is fixedly welded on the front side surface of the connecting plate, the front part of the positioning column (141) penetrates through the component connecting plate (2) and is connected with a clamp spring assembly (15), and the clamp spring assembly (15) is positioned on the front side surface of the component connecting plate (2).

5. The adjustable valve assembly of an electric shock prevention low-voltage switch cabinet according to claim 4, wherein the clamp spring assembly (15) is composed of a left clamp ring (151), a front protruding head (152), a right clamp ring (153) and a rear protruding head (154), the left clamp ring (151) is located on the left side of the right clamp ring (153), the left clamp ring (151) is sleeved and fixed on the rear protruding head (154), the right clamp ring (153) is sleeved and fixed on the front protruding head (152), the front protruding head (152) is connected to the front side of the rear protruding head (154), a threaded head (1521) is integrally connected to the rear side of the front protruding head (152), a threaded hole (1541) is formed in the front side face of the rear protruding head (154), and the threaded head (1521) is connected in the threaded hole (1541) through threaded engagement.

6. The adjustable valve assembly of the electric shock prevention low-voltage switch cabinet according to claim 5, wherein stepped notches are formed in the top of the left clamping ring (151) and the top of the right clamping ring (153), the left clamping ring (151) and the right clamping ring (153) are matched and arranged together through the stepped notches and are combined into a ring shape, and round holes are formed in the lower parts of the left clamping ring (151) and the right clamping ring (153).

7. The adjustable valve assembly of the electric shock prevention low-voltage switch cabinet according to claim 5, wherein the annular side surface of the positioning column (141) is provided with an annular clamping groove, the left clamping ring (151) and the right clamping ring (153) are sleeved on the annular clamping groove, the inner wall of the annular clamping groove is provided with a positioning slot hole, and the outer parts of the front protruding head (152) and the rear protruding head (154) are arranged in the positioning slot hole in a matching mode.