Adjustable damping type pressure gauge

Abstract

The utility model relates to the field of pressure gauges, and discloses an adjustable damping type pressure gauge, which comprises a pressure gauge body, a pointer and an elastic element matched with the pointer, one side of the pressure gauge body is fixedly connected with a damper, a hydraulic damping mechanism for limiting the swinging of the elastic element is arranged in the damper, one side of the damper is provided with an adjusting box, and the adjusting box is connected with the pointer. A damping adjusting mechanism is arranged in the adjusting box, one end of the adjusting box is rotationally connected with a rotary knob matched with the damping adjusting mechanism, an annular inserting groove is formed in one end of the adjusting box, and a movable sleeve arranged on the rotary outer wall in a covering mode is slidably inserted into the annular inserting groove; a fixed spring matched with the movable sleeve is fixedly connected into the annular inserting groove, and a rubber sealing plug is connected to the tail end of the movable sleeve in an inserted mode. Compared with the prior art, the damping adjusting knob has the advantages that the damping adjusting knob can be protected at any time, and the phenomenon that the measurement accuracy of a pressure gauge is affected due to failure or mistaken touch of the knob is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field, specifically point to an adjustable damping type pressure gauge. BACKGROUND

[0002] In the pressure gauge, the damper is a device for slowing down the movement speed of the pointer, so that the pointer can move smoothly when the pressure changes, avoiding the pointer shaking or jumping. The role of the damper is to eliminate the interference of pressure fluctuation on the pointer, making the reading more accurate and stable. It controls the moving speed of the pointer by providing certain resistance, so that the pointer can respond to pressure changes relatively slowly, thereby avoiding the rapid pointer swing. The existing damping adjustment mechanism needs to drive the external knob to rotate to realize damping adjustment during damping adjustment process. When the pressure gauge is installed in a complex environment, the knob is easy to loosen and rotate, or be touched by mistake, greatly affecting the measurement accuracy of the pressure gauge. SUMMARY

[0003] The technical problem to be solved by the utility model is to overcome the above technical difficulties, and provide an adjustable damping type pressure gauge, which can protect the damping adjustment knob at all times, prevent the knob from malfunctioning or being touched by mistake, and affect the measurement accuracy of the pressure gauge.

[0004] To solve the above technical problems, the technical scheme provided by the utility model is as follows: an adjustable damping type pressure gauge, comprising a pressure gauge body, a pointer, and an elastic element matched with the pointer, a damper is fixedly connected to one side of the pressure gauge body, a hydraulic damping mechanism for limiting the swing of the elastic element is arranged in the damper, an adjustment box is arranged on one side of the damper, a damping adjustment mechanism is arranged in the adjustment box, a knob matched with the damping adjustment mechanism is rotatably connected to one end of the adjustment box, an annular insertion slot is arranged on one end of the adjustment box, a movable sleeve covered on the rotating outer wall is slidably inserted into the annular insertion slot, a fixed spring matched with the movable sleeve is fixedly connected in the annular insertion slot, and a rubber sealing plug is inserted into the tail end of the movable sleeve.

[0005] As an improvement, the hydraulic damping mechanism comprises a piston block slidably connected in the damper, hydraulic oil is arranged in the damper, a connecting rod is arranged between the piston block and the elastic element, a partition plate is fixedly connected in the damper, and a first oil passing hole is arranged on the partition plate.

[0006] As an improvement, the damping adjustment mechanism comprises an adjustment plate slidably inserted into the adjustment box at one end of the partition plate, a screw rod matched with the adjustment knob is rotatably connected in the adjustment box, and an adjustment screw hole matched with the screw rod is arranged at one end of the adjustment plate.

[0007] As improvement, the active sleeve is fixedly connected with two corresponding arranged switch sheets at one end outside the annular slot.

[0008] As improvement, the connecting rod is connected with the piston block and the elastic element through universal joint at both ends respectively.

[0009] Compared with the prior art, the advantages of the utility model lie in: through the active sleeve and the rubber sealing plug, the adjusting knob can be protected, when the adjusting knob needs to be adjusted, the rubber sealing plug is taken out, the active sleeve is pressed downward, and the adjusting knob is exposed. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 is the explosion view of the adjustable damping type pressure gauge.

[0011] Figure 2 is the structure schematic view of the adjustable damping type pressure gauge.

[0012] Figure 3 is the sectional view of the adjustable damping type pressure gauge. Figure 1 .

[0013] Figure 4 is the enlarged view of A of the adjustable damping type pressure gauge.

[0014] Figure 5 is the sectional view of the adjustable damping type pressure gauge. Figure 2 .

[0015] As shown in the drawings: 1, pressure gauge body; 2, pointer; 3, elastic element; 4, damper; 5, adjusting box; 6, piston block; 7, connecting rod; 8, adjusting plate; 9, screw rod; 10, adjusting knob; 11, active sleeve; 12, switch sheet; 13, rubber sealing plug; 14, adjusting screw hole; 15, partition plate; 16, first oil passing hole; 17, second oil passing hole; 18, fixed spring; 19, annular slot; 20, universal joint. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments are only 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 protection scope of the utility model.

[0017] As Figures 1 to 5As shown, an adjustable damping type pressure gauge, including pressure gauge body 1, pointer 2, and elastic element 3 with pointer 2, elastic element 3 and pointer 2 between the transmission mechanism is common in the prior art, pressure gauge in the measurement process, the pressure caused by the elastic element 3 deformation, elastic element 3 through the transmission mechanism to drive the pointer 2 rotation, that is, the completion of the pressure measurement,

[0018] The pressure gauge body 1 side is fixedly connected with damper 4, the damper 4 is provided with a hydraulic damping mechanism for limiting the swing of elastic element 3, the hydraulic damping mechanism includes a piston block 6 slidingly connected in the damper 4, the damper 4 is provided with hydraulic oil, the piston block 6 and elastic element 3 between the connecting rod 7, the connecting rod 7 both ends are connected with the piston block 6 and elastic element 3 through the universal joint 20 respectively, the damper 4 is fixedly connected with the partition plate 15, the partition plate 15 is provided with a first oil hole 16, when the pressure drives the elastic element 3 deformation, the elastic element 3 end through the connecting rod 7 pull piston block 6 slide up, make the hydraulic oil pass through the first oil hole 16 upward flow.

[0019] The damper 4 side is provided with adjusting box 5, the adjusting box 5 is provided with adjusting plate 8 slidingly connected to the bottom surface of the partition plate 15, one end of the adjusting plate 8 is slidingly inserted into the adjusting box 5, the adjusting box 5 is rotatably connected with the screw rod 9 matched with the adjusting knob 10, one end of the adjusting plate 8 is provided with the adjusting screw hole 14 matched with the screw rod 9, one end of the adjusting box 5 is rotatably connected with the adjusting knob 10 driving the screw rod 9 to rotate, one end of the adjusting box 5 is provided with annular slot 19, the annular slot 19 is slidingly inserted with the movable sleeve 11 covered on the rotating outer wall, the movable sleeve 11 extends to the outside of the annular slot 19 and is fixedly connected with the two sides of the corresponding arranged flapper 12, the annular slot 19 is fixedly connected with the fixed spring 18 matched with the movable sleeve 11, the movable sleeve 11 end is inserted with rubber sealing plug 13.

[0020] When the damping needs to be adjusted, the rubber sealing plug 13 is removed from one end of the movable sleeve 11, the two sides of the flapper 12 is pressed to drive the movable sleeve 11 to slide into the annular slot 19, the fixed spring 18 is extruded and compressed to change shape, the adjusting knob 10 is exposed from one end of the movable sleeve 11, the adjusting knob 10 is twisted to drive the screw rod 9 to rotate, the screw rod 9 drives the adjusting plate 8 to slide along the bottom surface of the partition plate 15, the first oil hole 16 and the second oil hole 17 are staggered, the passing speed of the hydraulic oil is reduced, so as to realize the adjustment of the damping, after the adjustment is completed, the flapper 12 is released, the movable sleeve 11 is pushed outwards under the restoring force of the fixed spring 18, and the rubber sealing plug 13 is blocked at one end of the movable sleeve 11, the adjusting knob 10 is wrapped in the movable sleeve 11, preventing the adjusting knob 10 from being driven by external force.

[0021] The standard parts used in the utility model can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0022] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0023] Although the embodiments of the utility model have been shown and described, it should be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations of the embodiments can be made without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

[0024] The utility model and its implementation mode have been described above, and such description is not restrictive, and the shown in the drawings is only one of the implementation modes of the utility model, and the actual structure is not limited thereto. In general, if the ordinary skilled in the art is inspired thereby, without departing from the creative purpose of the utility model, without creatively designing the similar structure mode and embodiments to the technical scheme, all should belong to the protection scope of the utility model.

Claims

1. An adjustable damping type pressure gauge, comprising a pressure gauge body (1), a pointer (2), and an elastic element (3) cooperating with the pointer (2), characterized in that: One side of the pressure gauge body (1) is fixedly connected with a damper (4), the damper (4) is provided with a hydraulic damping mechanism for limiting the swing of the elastic element (3), one side of the damper (4) is provided with an adjusting box (5), the adjusting box (5) is provided with a damping adjusting mechanism, one end of the adjusting box (5) is rotatably connected with an adjusting knob (10) cooperating with the damping adjusting mechanism, one end of the adjusting box (5) is provided with an annular insertion slot (19), the annular insertion slot (19) is slidably connected with a movable sleeve (11) covering the adjusting knob (10), the annular insertion slot (19) is fixedly connected with a fixed spring (18) cooperating with the movable sleeve (11), and the movable sleeve (11) is inserted with a rubber sealing plug (13) at the tail end.

2. A pressure gauge of the adjustable damping type according to claim 1, characterized in that: The hydraulic damping mechanism comprises a piston block (6) slidably connected in the damper (4), the damper (4) is provided with hydraulic oil, a connecting rod (7) is arranged between the piston block (6) and the elastic element (3), and a partition plate (15) is fixedly connected in the damper (4), and the partition plate (15) is provided with a first oil passing hole (16).

3. A pressure gauge of the adjustable damping type according to claim 2, characterized in that: The damping adjusting mechanism comprises an adjusting plate (8) slidably connected to the bottom surface of the partition plate (15), one end of the adjusting plate (8) is slidably inserted into the adjusting box (5), the adjusting box (5) is rotatably connected with a screw rod (9) cooperating with the adjusting knob (10), and one end of the adjusting plate (8) is provided with an adjusting screw hole (14) cooperating with the screw rod (9).

4. The adjustable-damping pressure gauge of claim 1, wherein: The movable sleeve (11) extends to the outside of one end of the annular insertion slot (19) and is fixedly connected with two corresponding arranged push pieces (12).

5. The adjustable-damping pressure gauge of claim 2, wherein: The connecting rod (7) is connected with the piston block (6) and the elastic element (3) through universal joints (20) at both ends, respectively.

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