Adjustable PE valve key

Abstract

The utility model provides an adjustable PE (Poly Ethylene) valve key. The adjustable PE valve key comprises a telescopic sleeve, the top of the telescopic sleeve is fixedly connected with a mounting rod in a matched mode. The top of the mounting rod is matched and fixedly connected with a mounting shaft; the top end of the mounting shaft is matched and connected with a hand wheel; folding assemblies are symmetrically arranged on the left and right sides of the mounting rod in a matched manner; a connecting rod is slidably connected into the telescopic sleeve in a matched mode. The bottom end of the connecting rod penetrates through the bottom end of the telescopic sleeve and is fixedly connected with a mounting seat; the bottom of the mounting seat is detachably matched and connected with an adjusting mechanism; the adjusting mechanism comprises a guide module arranged at the bottom of the mounting base in a matched mode, a worm and gear assembly connected to the bottom end of the guide module in a matched mode and a clamping plate movably connected to the worm and gear assembly through threads. According to the utility model, the valve can be quickly identified and operated, the working efficiency is greatly improved, the problems of various models, inconvenience in carrying, complex assembly and the like of the traditional PE valve key are solved, and the convenience and accuracy of operation are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas pipeline valve technical field, concretely relates to an adjustable PE valve key. BACKGROUND

[0002] With the acceleration of urbanization, the use of town gas is increasingly popular, and the construction and maintenance of gas pipe network are particularly important, in this process, polyethylene (PE) valve as a new type of pipe fittings, with its excellent performance and economy, gradually become an indispensable part of town gas pipe network.

[0003] However, the traditional PE valve key is one type corresponding to one key, which leads to the delay of valve operation, and it is difficult to quickly identify the type and size of the valve, and the type is various, and it is inconvenient to carry these keys, in addition, the design of one rod with multiple heads makes the assembly process complex and time-consuming.

[0004] In summary, it is necessary to make further innovation or improvement on the prior art. SUMMARY

[0005] In view of the technical problems in the above background art, the utility model provides an adjustable PE valve key, which has reasonable and compact structure design, can realize quick identification and operation of the valve, greatly improves work efficiency, solves the problems of traditional PE valve key, such as various types, inconvenient to carry and complex assembly, and improves the convenience and accuracy of operation through innovative design.

[0006] To solve the above technical problems, the utility model provides an adjustable PE valve key, which comprises a telescopic sleeve, a mounting rod is fixedly connected to the top of the telescopic sleeve, a mounting shaft is fixedly connected to the top of the mounting rod, a hand wheel is connected to the top end of the mounting shaft, folding assemblies are symmetrically arranged on the left and right sides of the mounting rod, a connecting rod is slidably connected in the telescopic sleeve, the bottom end of the connecting rod penetrates the bottom end of the telescopic sleeve and is fixedly connected with a mounting seat, an adjusting mechanism is detachably connected to the bottom of the mounting seat, the adjusting mechanism comprises a guide module arranged on the bottom of the mounting seat, a worm and gear assembly connected to the bottom end of the guide module and a clamping plate movably connected to the worm and gear assembly through threads.

[0007] The adjustable PE valve key, wherein: the worm gear assembly comprises a driving worm, a first driven worm gear and a second driven worm gear; the first driven worm gear and the second driven worm gear are sequentially and movably connected to the outer wall of the driving worm from top to bottom; the first driven worm gear and the second driven worm gear are both provided with two parallel driving worm gears, and the first driven worm gear and the second driven worm gear are perpendicular to each other; the two ends of the first driven worm gear and the second driven worm gear are both connected with clamps through thread matching.

[0008] The adjustable PE valve key, wherein: the guide module comprises two guide plates and guide shafts; the left and right ends of the front and back sides of one of the guide plates are symmetrically and fixedly connected with two guide shafts, and the front and back sides of the left and right sides of the other guide plate are symmetrically and fixedly connected with the other two guide shafts; the guide shafts are movably connected with the clamps.

[0009] The adjustable PE valve key, wherein: the clamps are provided with four clamps, and the four clamps are arranged to form a rectangular space for clamping the PE valve.

[0010] The adjustable PE valve key, wherein: the folding assembly comprises a fixed rod, a movable slot, a folding handle and a limiting seat; the fixed rod is movably connected with the folding handle; the limiting seat is movably connected with the folding handle; and the folding handle is movably connected with the movable slot.

[0011] The adjustable PE valve key, wherein: the side wall of the bottom end of the telescopic sleeve is movably connected with a locking knob; and the telescopic sleeve is fixedly connected with the connecting rod through the locking knob.

[0012] The adjustable PE valve key, wherein: the outer wall of the mounting shaft is movably connected with an indicating disc; and the side wall of the mounting seat is movably connected with a scale.

[0013] The above technical scheme has the following beneficial effects:

[0014] The utility model discloses adjustable PE valve key structure design is reasonable, compact, wherein through setting adjusting mechanism, telescopic sleeve is in the top end of connecting rod sliding, to adjust the length of PE valve key, when reaching the length required, utilize locking knob and lock the relative position of telescopic sleeve and connecting rod, ensure that the unexpected sliding does not occur in the adjusting process, thereby improve the security and accuracy of operation, utilize worm wheel and worm assembly synchronous drive four clamps to move, and the size of rectangular space is adjusted through four clamps, and the user can adjust the position of clamps according to different model PE valve, thereby realize the quick identification and operation of valve, greatly improve work efficiency, not only solve the traditional PE valve key model numerous, inconvenient to carry, assembly complex etc. problem, and through the innovative design improves the convenience and accuracy of operation, is suitable for promotion and application.

[0015] The utility model discloses through installing the indicating disc and the scale set up on the mounting seat with the mounting shaft, provides the intuitive adjustment reference for the user, with adjusting process is more accurate, the user can directly read the current adjustment state according to the scale on the indicating disc and the scale, ensure that every time adjustment reaches the best effect, can quickly open and close the valve, improve the emergency repair speed, control the valve in the shortest time, convenient to carry, reduce the various model and the assembly delay time of tedious. ACCURACY

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in prior art, the following will briefly introduce the drawing needed to be used in the specific embodiment or prior art description, obviously, the drawing in the following description is some embodiments of the utility model, and for ordinary skilled person in the art, under the premise of not paying the creative labor, still can obtain other drawings according to these drawings.

[0017] Figure 1 It is the whole structure schematic diagram of the utility model adjustable PE valve key;

[0018] Figure 2 It is the main view cross section structure schematic diagram of the utility model adjustable PE valve key;

[0019] Figure 3 It is the inside structure schematic diagram of the adjusting mechanism of the utility model adjustable PE valve key;

[0020] Figure 4 It is the structure schematic diagram of the folding subassembly of the utility model adjustable PE valve key; Figure 1 It is the enlarged structure schematic diagram of area A of the utility model adjustable PE valve key;

[0021] Figure 5 It is the structure schematic diagram of the folding subassembly of the utility model adjustable PE valve key;

[0022] Figure 6 The adjustable PE valve key of the utility model Figure 2 The enlarged structure diagram of the B area.

[0023] Note:

[0024] 1- telescopic sleeve; 2- mounting rod; 3- mounting shaft; 4- hand wheel; 5- folding assembly; 501- fixed rod; 502- movable groove; 503- folding handle; 504- limiting seat; 6- connecting rod; 7- mounting seat; 8- adjusting mechanism; 801- guide module; 8011- guide plate; 8012- guide shaft; 802- worm gear assembly; 8021- driving worm; 8022- first driven worm wheel; 8023- second driven worm wheel; 803- clamping plate; 9- hand tightening rod; 10- indicating disc; 11- scale. DETAILED DESCRIPTION

[0025] The technical scheme of the utility model will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0026] The utility model will be further explained and described below in conjunction with specific embodiments.

[0027] As Figures 1-6 shown, the adjustable PE valve key provided by the embodiment comprises a telescopic sleeve 1, a mounting rod 2, a mounting shaft 3, a hand wheel 4, a folding assembly 5, a connecting rod 6, a mounting seat 7, an adjusting mechanism 8, a hand tightening rod 9, an indicating disc 10 and a scale 11.

[0028] The top of the telescopic sleeve 1 is fixedly connected with the mounting rod 2 in a matching mode; the top of the mounting rod 2 is fixedly connected with the mounting shaft 3 in a matching mode; the top end of the mounting shaft 3 is connected with the hand wheel 4 in a matching mode; the left and right sides of the mounting rod 2 are symmetrically provided with the folding assembly 5 in a matching mode; the inside of the telescopic sleeve 1 is slidingly connected with the connecting rod 6 in a matching mode; the bottom end of the connecting rod 6 penetrates through the bottom end of the telescopic sleeve 1 and is fixedly connected with the mounting seat 7; the bottom of the mounting seat 7 is detachably connected with the adjusting mechanism 8 in a matching mode; the adjusting mechanism 8 comprises a guide module 801, a worm gear assembly 802 and a clamping plate 803; the bottom end of the guide module 801 is connected with the worm gear assembly 802 in a matching mode, and the worm gear assembly 802 is movably connected with the clamping plate 803 through threads.

[0029] As Figures 2-3As shown, the worm gear assembly 802 includes a driving worm 8021, a first driven worm gear 8022 and a second driven worm gear 8023; the outer wall of the driving worm 8021 is sequentially connected with the first driven worm gear 8022 and the second driven worm gear 8023 from top to bottom; the first driven worm gear 8022 and the second driven worm gear 8023 are both provided with two parallel driving shafts, and the first driven worm gear 8022 and the second driven worm gear 8023 are perpendicular to each other; the two ends of the first driven worm gear 8022 and the second driven worm gear 8023 are both connected with a clamping plate 803 through threads.

[0030] In this embodiment, the telescopic sleeve 1 slides at the top end of the connecting rod 6 to adjust the length of the PE valve key, and when the required length is reached, it is locked, and then the worm gear assembly 802 starts to work, the rotation of the driving worm 8021 drives the first driven worm gear 8022 and the second driven worm gear 8023, and through the precise transmission of the worm gear, the clamping plate 803 is precisely controlled, so that the PE valve is stably clamped, and the four designs of the clamping plate 803 ensure that the clamping force is evenly distributed, thereby ensuring the stability and safety of the valve during adjustment. Then, the rotation of the PE valve key is controlled by rotating the hand wheel 4 to realize the quick opening or closing of the PE valve. The high transmission ratio of the worm gear assembly 802 can produce a larger clamping force even under a smaller torque, making the valve adjustment more comfortable and accurate.

[0031] It should be noted that the total height of the PE valve key is 2300mm, the unfolded length of the two side folding assemblies 5 is 600mm, and the width of the two side folding assemblies 5 after folding is 150mm. The telescopic sleeve 1 can freely move within one meter according to the site conditions, that is, the minimum height is 1300mm, and the opening size of the key can be adjusted by the top hand wheel: Min 48mm-Max 78mm. The adjusting mechanism 8 can be independently detached for easy replacement. The total weight of the adjustable PE valve key of the utility model is about 10kg.

[0032] As shown in Figures 3-4 The guiding module 801 includes two guiding plates 8011 and guiding shafts 8012; one of the guiding plates 8011 is fixedly connected with two guiding shafts 8012 at the left and right ends of the front and rear sides, and the other guiding plate 8011 is fixedly connected with two guiding shafts 8012 at the front and rear ends of the left and right sides; and the clamping plate 803 is movably connected to each guiding shaft 8012.

[0033] The clamping plate 803 is provided with four clamping plates 803, and the four clamping plates 803 are arranged to form a rectangular space for clamping the PE valve;

[0034] In this embodiment, the four clamping plates 803 are synchronously driven to move by the worm gear assembly 802, the size of the rectangular space is adjusted by the movement of the four clamping plates 803 to adapt to PE valves of different sizes, the guide plate 8011 and the guide shaft 8012 of the guide module 801 ensure that the clamping plates 803 remain stable during movement, avoiding shaking or misalignment of the clamping plates 803 during operation, thereby improving the accuracy and safety of operation. The high transmission ratio characteristic of the worm gear assembly 802 enables the clamping plates 803 to generate sufficient clamping force under the action of a smaller torque, ensuring the stability and safety of the valve during adjustment.

[0035] Moreover, the guide module 801 does not deform, is easy to assemble, can ensure the relative parallelism and relative position of the guide shaft 8012, and guides smoothly; the adjustment mechanism 8 is independently detachable, facilitating users to replace or maintain it according to actual needs. In actual application, users can quickly adjust the length and opening size of the PE valve key according to the size of the valve and the site conditions to adapt to valves of different specifications, thereby improving work efficiency and reducing delays caused by replacing valve keys of different models.

[0036] As shown in Figures 5-6 The folding assembly 5 includes a fixed rod 501, a movable slot 502, a folding handle 503, and a limiting seat 504. The fixed rod 501 is fixedly connected to the side wall of the mounting rod 2. The end of the fixed rod 501 away from the mounting rod 2 is matched with the movable slot 502. The folding handle 503 is rotatably connected in the movable slot 502. The limiting seat 504 is fixedly connected to the side wall of the telescopic sleeve 1. The folding handle 503 is matched with and clamped in the limiting seat 504.

[0037] The telescopic sleeve 1 is rotatably connected with the hand tight rod 9 at the side wall of the bottom end. The telescopic sleeve 1 is limited and fixed with the connecting rod 6 through the hand tight rod 9.

[0038] The installation shaft 3 is fixedly connected with the indicating disc 10 at the outer wall. The mounting seat 7 is fixedly connected with the scale 11 at the side wall.

[0039] In this embodiment, the folding handle 503 is folded and unfolded by rotating in the movable slot 502, which is convenient for users to hold and rotate the PE valve key. When the PE valve key is not used, the folding handle 503 is rotated and clamped in the limiting seat 504, realizing compact storage of the PE valve key, greatly saving space, facilitating carrying and transportation. The hand tight rod 9 enables the operator to easily lock the relative position of the telescopic sleeve 1 and the connecting rod 6, ensuring that accidental sliding does not occur during adjustment, thereby improving the safety and accuracy of operation.

[0040] Need to explain, this indicating disc 10 can indicate when user rotates hand wheel 4, it is convenient for user to understand the opening size of valve, this scale 11 can judge the opening size, and the top of the clamping plate 803 corresponding to the right end of scale 11 is high, the scale 11 is embedded in the clamping plate 803, for aligning scale line.

[0041] The utility model discloses compact, can realize quick identification and operation to valve, improve work efficiency greatly, not only has solved traditional PE valve key model numerous, inconvenient to carry, assembly complex etc.

[0042] Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical scheme of the utility model, and not to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical scheme deviate from the scope of the technical scheme of the embodiments of the utility model.

Claims

1. An adjustable PE valve key comprising a telescopic sleeve (1); characterized in that: The top of the telescopic sleeve (1) is matched and fixedly connected with a mounting rod (2); the top of the mounting rod (2) is matched and fixedly connected with a mounting shaft (3); the top end of the mounting shaft (3) is matched and connected with a hand wheel (4); the left and right sides of the mounting rod (2) are matched and symmetrically provided with folding assemblies (5); The inside of the telescopic sleeve (1) is matched and slidably connected with a connecting rod (6); the bottom end of the connecting rod (6) penetrates through the bottom end of the telescopic sleeve (1) and is fixedly connected with a mounting seat (7); the bottom of the mounting seat (7) is detachably matched and connected with an adjusting mechanism (8); The adjusting mechanism (8) comprises a guide module (801) which is matched and arranged at the bottom of the mounting seat (7), a worm gear assembly (802) which is matched and connected at the bottom end of the guide module (801), and a clamping plate (803) which is threadedly movably connected on the worm gear assembly (802).

2. The adjustable PE valve key of claim 1, wherein: The worm gear assembly (802) comprises a driving worm (8021), a first driven worm gear (8022) and a second driven worm gear (8023); The outer wall of the driving worm (8021) is sequentially and meshingly connected from top to bottom with the first driven worm gear (8022) and the second driven worm gear (8023); The first driven worm gear (8022) and the second driven worm gear (8023) are both provided with two, and the first driven worm gear (8022) and the second driven worm gear (8023) are perpendicular to each other; The two ends of the first driven worm gear (8022) and the second driven worm gear (8023) are both matched and connected with the clamping plate (803) through threads.

3. The adjustable PE valve key of claim 1, wherein: The guide module (801) comprises two guide plates (8011) and guide shafts (8012); one of the guide plates (8011) is matched and fixedly connected with two guide shafts (8012) at the left and right ends of the front and rear sides, and the other guide plate (8011) is matched and fixedly connected with another two guide shafts (8012) at the left and right ends of the front and rear sides; the guide shafts (8012) are matched and movably connected with the clamping plates (803).

4. The adjustable PE valve key of claim 1, wherein: The clamping plate (803) is provided with four, and the four clamping plates (803) are mutually enclosed to form a rectangular space for clamping the PE valve.

5. The adjustable PE valve key of claim 1, wherein: The folding assembly (5) comprises a fixed rod (501), a movable slot (502), a folding handle (503) and a limiting seat (504); the fixed rod (501) is matched and fixedly connected at the side wall of the mounting rod (2); the end of the fixed rod (501) away from the mounting rod (2) is matched and provided with a movable slot (502); the folding handle (503) is rotatably connected in the movable slot (502); the limiting seat (504) is matched and fixedly connected at the side wall of the telescopic sleeve (1); the folding handle (503) is matched and clampedly connected in the limiting seat (504).

6. The adjustable PE valve key of claim 1, wherein: The side wall at the bottom end of the telescopic sleeve (1) is rotatably connected with a locking knob (9); the telescopic sleeve (1) is limitingly fixed with the connecting rod (6) through the locking knob (9).

7. The adjustable PE valve key of claim 1, wherein: An indicating disc (10) is fixedly connected to the outer wall of the mounting shaft (3); and a scale (11) is fixedly connected to the side wall of the mounting seat (7).

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