Lifting type gas detector

Abstract

The utility model relates to the technical field of gas detectors, in particular to a lifting type gas detector. The lifting type gas detector provided by the utility model solves the technical problem that a gas detector in the prior art is inconvenient to maintain. A lifting type gas detector comprises a detector body and a base, and the detector body is arranged on the base through a lifting assembly; by arranging the lifting assembly, the detector main body is fixed on the base through the lifting assembly, and when the detector main body needs to be maintained, the lifting assembly can be conveniently operated to reduce the height of the detector main body, so that related personnel can conveniently maintain the detector main body. In addition, related personnel do not need to climb to a high position in the maintenance process of the detector body, and potential safety hazards are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas detector technical field especially relates to a lifting type gas detector. BACKGROUND

[0002] At present, in some industrial and mining enterprises, the top of the factory building may gather gases such as hydrogen, which have lower specific density than air. When the concentration of such gases reaches a certain level, an explosion will occur. Or toxic, harmful or explosive gases leak at the joints of high gas pipelines. These places generally need to install gas detectors to monitor the presence and overflow of gases.

[0003] In the prior art, the method of gas detection is generally to install fixed detectors at high fixed positions for monitoring. However, this method has its drawbacks, that is, the detectors generally require periodic calibration or maintenance. Because the detectors are installed at a high position, it is very inconvenient to maintain the detectors.

[0004] Therefore, the gas detector in the prior art has the technical problem of inconvenient maintenance. SUMMARY

[0005] The lifting type gas detector provided by the utility model solves the technical problem of inconvenient maintenance of the gas detector in the prior art.

[0006] Some embodiments to solve the above technical problems include:

[0007] A lifting type gas detector includes a detector main body and a base, the detector main body is arranged on the base through a lifting assembly;

[0008] The lifting assembly includes an outer cylinder mounted on the base and a screw rod arranged in the outer cylinder, the outer cylinder is provided with a nut matched with the screw rod, the nut is rotationally connected to the outer cylinder, and the nut and the outer cylinder are coaxially arranged;

[0009] A limiting assembly is arranged between the outer cylinder and the nut to prevent the nut from moving along the axis direction of the outer cylinder;

[0010] A guide is further arranged between the outer cylinder and the screw rod to prevent the screw rod from rotating relative to the outer cylinder;

[0011] A support is arranged between the screw rod and the base to support the screw rod.

[0012] Preferably, the limiting assembly includes a ring rib mounted on the nut, the outer cylinder is provided with a limiting ring, and the limiting ring and the top wall of the outer cylinder form a ring groove matched with the ring rib.

[0013] As a preferred, the ring ridge is fixed to the nut by a screw.

[0014] As a preferred, the limiting ring comprises a ring body fixed to the outer cylinder by a screw and a shoulder arranged on the upper end of the ring body, the ring groove is formed between the shoulder and the top wall of the outer cylinder, and the ring body and the shoulder are in an integral structure.

[0015] As a preferred, the cross-sectional shape of the ring ridge is semicircular, the nut is provided with notches reducing the mating area of the nut and the screw rod, and the notches are uniformly distributed in the circumferential direction of the nut.

[0016] As a preferred, the guide comprises a guide column arranged on the base, the screw rod is provided with a guide hole matched with the guide column, and the cross-sectional shape of the guide column is polygonal.

[0017] As a preferred, the upper end of the guide column protrudes from the upper end of the outer cylinder.

[0018] As a preferred, the support comprises a support rod, the upper end of the support rod is rotationally connected to the screw rod, the base is provided with a sliding groove matched with the support rod, the sliding groove is arranged along the diameter direction of the outer cylinder, and a part of the support rod extends into the sliding groove.

[0019] As a preferred, the screw rod is provided with a mounting seat mounting the support rod, the mounting seat is provided with a mounting groove, a part of the support rod is located in the mounting groove, and the support rod is rotationally connected to the mounting groove through a rotating shaft.

[0020] As a preferred, the mounting seat and the screw rod are in an integral structure, the support rod has at least three, and the at least three support rods are uniformly distributed along the circumferential direction of the screw rod.

[0021] Compared with the prior art, the utility model has the following advantages:

[0022] By setting the lifting assembly, the probe body is fixed to the base through the lifting assembly, when the probe body needs to be maintained, the height of the probe body can be conveniently lowered by operating the lifting assembly, so that relevant personnel can conveniently maintain the probe body. Moreover, the probe body does not need to be climbed to a high place during the maintenance process, and the safety hidden danger is reduced.

[0023] The lifting assembly comprises a screw rod and a nut rotationally arranged on the upper end of the outer cylinder, when the nut is rotated, the screw rod can move up and down relative to the outer cylinder, the lifting assembly adopts the mode of the screw rod cooperating with the nut to realize the lifting function of the probe body, the structure of the lifting assembly is simplified, and the use cost of the lifting assembly is reduced.

[0024] By setting the support device, the support device is used for supporting the screw rod, even if the screw rod moves upward to a certain height, under the support function of the support device, the screw rod still maintains high stability, so that the screw rod and the nut are not easy to be damaged, and the service life of the lifting assembly is prolonged. BRIEF DESCRIPTION OF DRAWINGS

[0025] For the purposes of explanation, several embodiments of the subject technology are set forth in the following drawings. The drawings are incorporated in this specification and constitute a part of the detailed description. In some instances, well-known structures and devices are shown in block diagram form in order to avoid obscuring the conceptual presentation of embodiments of the subject technology.

[0026] Figure 1 It is an internal structure schematic view of the utility model.

[0027] Figure 2 It is Figure 1 The enlarged view of A in the figure.

[0028] Figure 3 It is a schematic view of the utility model.

[0029] Figure 4 It is an explosion view of the nut and the outer cylinder installation.

[0030] Figure 5 It is an explosion view of the probe main body and the screw rod installation.

[0031] Figure 6 It is a schematic view of the nut.

[0032] The figure shows:

[0033] 1, probe main body.

[0034] 2, base, 11, guide column, 12, sliding slot.

[0035] 3, lifting assembly, 31, outer cylinder, 311, limiting ring, 32, screw rod, 321, mounting seat, 33, nut, 331, ring rib, 332, notch, 34, support rod. DETAILED DESCRIPTION

[0036] The specific embodiments shown below are intended to be illustrative of the various configurations of the subject technology and are not intended to represent the only configurations in which the subject technology can be practiced. The specific embodiments include specific details for the purposes of providing a thorough understanding of the subject technology. However, it will be apparent to those skilled in the art that the subject technology can be practiced without these specific details.

[0037] It can be understood that, in this article, relational terms such as "first" and "second" are intended to distinguish one entity or operation from another entity or operation, and are not intended to imply any actual relationship or sequence between the entities or operations.

[0038] The terms "comprises", "comprising", or any other variations 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. Without more limitations, an element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0039] Referring to Figures 1 to 6 As shown in the figure, a lifting gas detector includes a detector body 1 and a base 2, the detector body 1 is arranged on the base 2 through a lifting assembly 3;

[0040] The lifting assembly 3 includes an outer cylinder 31 mounted on the base 2 and a screw rod 32 arranged in the outer cylinder 31, the outer cylinder 31 is provided with a nut 33 matched with the screw rod 32, the nut 33 is rotationally connected to the outer cylinder 31, and the nut 33 is coaxially arranged with the outer cylinder 31;

[0041] A limiting assembly is arranged between the outer cylinder 31 and the nut 33 to prevent the nut 33 from moving along the axis direction of the outer cylinder 31;

[0042] A guide is further arranged between the outer cylinder 31 and the screw rod 32 to prevent the screw rod 32 from rotating relative to the outer cylinder 31;

[0043] A support is arranged between the screw rod 32 and the base 2 to support the screw rod 32.

[0044] In some embodiments, the limiting assembly includes a ring rib 331 mounted on the nut 33, the outer cylinder 31 is provided with a limiting ring 311, and an annular groove matched with the ring rib 331 is formed between the limiting ring 311 and the top wall of the outer cylinder 31. The detector body can be fixed on the screw rod by a screw.

[0045] The ring rib 331 and the limiting ring 311 are both made of metal materials, so that the lifting assembly 3 has higher strength, and the screw rod 32 can maintain the stability and strength of the lifting assembly 3 after moving upward to a certain height, so that the lifting assembly 3 has higher stability, is not easy to be damaged, and prolongs the service life of the lifting assembly 3.

[0046] In some embodiments, the ring 331 is fixed to the nut 33 by a screw.

[0047] The limiting ring 311 comprises a ring body fixed to the outer cylinder 31 by a screw and a shoulder arranged on the upper end of the ring body, the shoulder and the top wall of the outer cylinder 31 form the ring groove, and the ring body and the shoulder are in an integral structure.

[0048] The ring 331 can also be welded to the nut 33, and the ring 331 and the nut 33 should be in a split structure, so that the nut 33 is easy to assemble to the outer cylinder 31.

[0049] Referring to Figures 1 to 6 In some embodiments, the cross-sectional shape of the ring 331 is semicircular, the nut 33 is provided with a notch 332 that reduces the mating area of the nut 33 and the screw 32, and the notches 332 are uniformly distributed in the circumferential direction of the nut 33.

[0050] The arrangement of the notches 332 reduces the contact area of the screw 32 and the nut 33, thereby making the nut 33 have smaller resistance during rotation, so that the nut 33 is easy to operate. A pattern can also be provided on the outer wall of the nut 33 to facilitate rotation of the nut 33.

[0051] Of course, the nut 33 can also be driven by an electric motor to reduce the labor intensity of the relevant personnel.

[0052] For example, a driving gear can be arranged on the output shaft of the electric motor, and a driven gear can be arranged on the nut 33, and the driving gear and the driven gear are engaged, that is, to realize the rotation of the nut 33.

[0053] The driven gear can be in an integral structure with the nut 33.

[0054] The driven gear can also be sleeved on the nut 33 by a key.

[0055] In some embodiments, the guide comprises a guide column 11 arranged on the base 2, the screw 32 is provided with a guide hole matched with the guide column 11, and the cross-sectional shape of the guide column 11 is polygonal.

[0056] The upper end of the guide column 11 protrudes from the upper end of the outer cylinder 31.

[0057] The guide column 11 can be welded to the base 2, and the outer cylinder 31 can also be welded to the base 2. The guide column 11 can also be in an integral structure with the base 2. In addition to guiding the screw 32, the guide column 11 also improves the connection strength of the screw 32 and the outer cylinder 31, so that the screw 32 is not easy to bend relative to the outer cylinder 31, thereby making the lifting assembly 3 not easy to be damaged.

[0058] The cross-sectional shape of the guide column 11 is polygonal, and the guide column 11 has higher bending strength.

[0059] Referring to Figures 1 to 6 As shown in the drawings, in some embodiments, the support device comprises a support rod 34, an upper end of the support rod 34 is rotatably connected to the screw rod 32, the base 2 is provided with a sliding groove 12 matched with the support rod 34, the sliding groove 12 is arranged along the diameter direction of the outer cylinder 31, and a part of the support rod 34 extends into the sliding groove 12.

[0060] A damper can be arranged in the sliding groove 12, and the screw rod 32 is supported by the friction between the support rod 34 and the sliding groove 12 to prevent the screw rod 32 from bending relative to the outer cylinder 31. The damper can be a rubber layer or the like adhered in the sliding groove 12.

[0061] In some embodiments, the screw rod 32 is provided with a mounting seat 321 for mounting the support rod 34, the mounting seat 321 is provided with a mounting groove, a part of the support rod 34 is located in the mounting groove, and the support rod 34 is rotatably connected to the mounting groove through a rotating shaft.

[0062] The mounting seat 321 is an integral structure with the screw rod 32, and the support rod 34 has at least three, and the at least three support rods 34 are uniformly distributed along the circumference of the screw rod 32.

[0063] The mounting seat 321 can also be welded to the screw rod 32.

[0064] The above introduces the subject technical scheme of the utility model and corresponding details, and it can be understood that the above introduction is only some implementation of the subject technical scheme of the utility model, and some details can be omitted in specific implementation.

[0065] In addition, in some implementation of the above utility model, a plurality of implementation schemes can be combined, and various combination schemes are not listed one by one due to the length. Those skilled in the art can freely combine the above implementation schemes according to the needs in specific implementation to obtain better application experience.

[0066] Those skilled in the art can obtain other detailed configurations or drawings according to the subject technical scheme of the utility model and the drawings in the implementation of the subject technical scheme of the utility model, and obviously, these details still belong to the range covered by the subject technical scheme of the utility model without departing from the subject technical scheme of the utility model.

Claims

1. A rising gas detector, characterized by: The application relates to a detector, which comprises a detector main body (1) and a base (2), wherein the detector main body (1) is arranged on the base (2) through a lifting assembly (3); the lifting assembly (3) comprises an outer cylinder (31) arranged on the base (2) and a screw rod (32) arranged in the outer cylinder (31); the outer cylinder (31) is provided with a nut (33) matched with the screw rod (32); the nut (33) is rotationally connected to the outer cylinder (31), and the nut (33) is coaxially arranged with the outer cylinder (31); a limiting assembly is arranged between the outer cylinder (31) and the nut (33) to prevent the nut (33) from moving along the axis of the outer cylinder (31); a guide is further arranged between the outer cylinder (31) and the screw rod (32) to prevent the screw rod (32) from rotating relative to the outer cylinder (31); and a support is arranged between the screw rod (32) and the base (2) to support the screw rod (32).

2. The elevated gas detector of claim 1, wherein: The limiting assembly comprises a ring rib (331) arranged on the nut (33); the outer cylinder (31) is provided with a limiting ring (311); and the limiting ring (311) and the top wall of the outer cylinder (31) form a ring groove matched with the ring rib (331).

3. The elevated gas detector of claim 2, wherein: The ring rib (331) is fixed to the nut (33) through a screw.

4. The elevated gas detector of claim 3, wherein: The limiting ring (311) comprises a ring body fixed to the outer cylinder (31) through a screw and a stop shoulder arranged on the upper end of the ring body; the stop shoulder and the top wall of the outer cylinder (31) form the ring groove; and the ring body and the stop shoulder are in an integral structure.

5. The elevated gas detector of claim 4, wherein: The cross section of the ring rib (331) is semicircular; the nut (33) is provided with notches (332) reducing the matching area of the nut (33) and the screw rod (32); and the notches (332) are uniformly distributed in the circumferential direction of the nut (33).

6. The elevated gas detector of claim 1, wherein: The guide comprises a guide column (11) arranged on the base (2); the screw rod (32) is provided with a guide hole matched with the guide column (11); and the cross section of the guide column (11) is polygonal.

7. The elevated gas detector of claim 6, wherein: The upper end of the guide column (11) protrudes from the upper end of the outer cylinder (31).

8. The elevated gas detector of claim 1, wherein: The support comprises a support rod (34); the upper end of the support rod (34) is rotationally connected to the screw rod (32); the base (2) is provided with a sliding groove (12) matched with the support rod (34); the sliding groove (12) is arranged along the diameter direction of the outer cylinder (31); and a part of the support rod (34) extends into the sliding groove (12).

9. The elevated gas detector of claim 8, wherein: The screw rod (32) is provided with a mounting seat (321) mounting the support rod (34); the mounting seat (321) is provided with a mounting groove; a part of the support rod (34) is located in the mounting groove; and the support rod (34) is rotationally connected to the mounting groove through a rotating shaft.

10. The elevated gas detector of claim 9, wherein: The mounting seat (321) and the screw rod (32) are in an integral structure; the support rod (34) has at least three rods; and the at least three rods of the support rod (34) are uniformly distributed along the circumferential direction of the screw rod (32).

Images