CN213123285U

CN213123285U - Mixed gas alarm with wide detection range

Info

Publication number: CN213123285U
Application number: CN202021324853.8U
Authority: CN
Inventors: 陈文�
Original assignee: Hubei Liangxin Technology Development Co ltd
Current assignee: Hubei Liangxin Technology Development Co ltd
Priority date: 2020-07-08
Filing date: 2020-07-08
Publication date: 2021-05-04
Anticipated expiration: 2030-07-08

Abstract

The utility model discloses a mixed gas alarm with wide detection range, which comprises a shell and an alarm, wherein the left side and the right side of the top end of the shell are fixedly connected with a mounting plate, the right side end of the shell is fixedly provided with a motor, the top end of the motor is provided with a lead screw, the outer side wall of the lead screw is in threaded connection with a lead screw sleeve, the outer side wall of the lead screw sleeve is fixedly provided with a bearing sleeve, the bottom end of the bearing sleeve is fixedly connected with a support plate, the bottom end of the support plate is fixedly connected with a fixed plate, the left side and the right side of the fixed plate are provided with grooves, the left side and the right side of the top end of the alarm are fixedly connected with a connecting plate, the bottom end of the connecting plate is fixedly connected with a lug corresponding to the groove, the, and the detection range is very large, and the practicability of the device is greatly improved.

Description

Mixed gas alarm with wide detection range

Technical Field

The utility model relates to an alarm especially relates to a wide mist alarm of detection range.

Background

The utility model relates to a mixed gas alarm with wide detection range, which is characterized in that the mixed gas alarm contains two or more effective components or gas with content exceeding the specified limit although the mixed gas alarm belongs to non-effective components.

Patent numbers: CN101681547B discloses an alarm device, which provides an alarm device that reduces the current consumption to prolong the battery life even if the voltage boosting light emission is required, and can reduce the number of parts and cost.

However, the patent also has the following disadvantages: 1. the above design is inconvenient to install and disassemble and thus inconvenient to maintain, so improvement is required. 2. The above design has a small detection range, which greatly reduces the practicability of the device, so improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wide mist alarm of detection range, simple structure, modern design, very easy to assemble and dismantlement to detection range is very big, has improved the practicality of device greatly, can effectively solve the problem in the background art.

The utility model provides a specific technical scheme as follows:

the utility model provides a mixed gas alarm with wide detection range, which comprises a shell and an alarm, the left side and the right side of the top end of the shell are both fixedly connected with mounting plates, the right side end of the shell is fixedly provided with a motor, the top end of the motor is provided with a screw rod, the outer side wall of the screw rod is in threaded connection with a screw rod sleeve, the outer side wall of the screw rod sleeve is fixedly provided with a bearing sleeve, the bottom end of the bearing sleeve is fixedly connected with a supporting plate, the bottom end of the supporting plate is fixedly connected with a fixing plate, the left side and the right side of the fixing plate are both provided with grooves, the left side and the right side of the top end of the alarm are both fixedly connected with connecting plates, the bottom ends of the connecting plates are both fixedly connected with lugs corresponding to the grooves, the internally mounted of lug has the screw, the internally mounted of fixed plate has the through-hole, the top of through-hole is installed and is run through in the through-hole through the screw rod that corresponds with the screw downwards in proper order and install into the screw through rotating again.

Optionally, a limiting groove corresponding to the supporting plate is installed at the bottom end of the housing.

Optionally, the top ends of the screws are fixedly connected with pressing plates.

Optionally, the power output end of the motor is electrically connected with the power input end of the screw rod.

Optionally, a switch is fixedly mounted on the surface of the motor, and a current output end of the switch is electrically connected with a current input end of the motor.

The utility model has the advantages as follows:

1. the utility model fixes the shell on the roof of the mixed gas room through the mounting plate (to be explained, the mounting plate is internally provided with a plurality of threaded holes and small holes, the shell can be fixed on the roof through screws and nails), then the lug on the alarm is inserted into the groove on the fixing plate, after the insertion is completed, the groove and the lug can play a simple fixing role for the alarm, and the through hole is aligned with the screw hole, at the moment, the screw rod sequentially penetrates through the through hole downwards, and then the lug is installed into the screw hole by clockwise rotation, thus the installation of the screw rod can be completed, after the screw rod is installed, the pressing plate at the top end of the screw rod just firmly supports against the fixing plate, thus the lug and the groove can be fixed, thereby the installation of the alarm is completed, the width of the connecting plate is small, the influence on the installation and the, the screw rod is rotated through the fixing plate anticlockwise, the screw rod is disassembled, the lug is pulled out from the groove, the disassembly of the alarm can be completed, the alarm is convenient and fast to assemble and disassemble, and the problem that the alarm is inconvenient to assemble and disassemble in the background technology can be effectively solved.

2. The utility model discloses after the alarm installation is accomplished, let in external power supply for the alarm, open the switch of alarm, the alarm begins to operate, at this moment let in external power supply for the motor, open the switch, the motor begins to operate, through the switch (it is required to explain that the switch divide into two little switches, the corotation of a little switch control motor, the reversal of a control motor, the motor is two-way motor, for present prior art) drive the corotation of motor, the motor drives the corotation of lead screw and rotates, the lead screw drives the lead screw cover (it is required to explain that because lead screw and lead screw cover are threaded connection, so the lead screw cover can follow the screw rotation direction of lead screw and move, that is the rotation direction of lead screw) and move about, the lead screw cover drives the left and right movement of bearing housing, the bearing housing drives the left and right movement of backup pad, the backup pad drives the left and right movement of alarm (it is required to explain that the, the backup pad can only be along spacing groove rectilinear movement to play the effect of restriction bearing housing, prevent that the lead screw cover from driving the rotation of bearing housing), the alarm just can move about the straight line and survey the mist like this, and detection range is wider, can effectively solve the problem that detection range is too little among the background art.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a mixed gas alarm with a wide detection range according to an embodiment of the present invention;

fig. 2 is a schematic view of a screw connection structure in a mixed gas alarm with a wide detection range according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a structure of a bottom surface of a limit groove in a mixed gas alarm with a wide detection range according to the present invention.

In the figure: 1. a housing; 2. mounting a plate; 3. a motor; 4. a screw rod; 5. a screw rod sleeve; 6. a bearing housing; 7. a support plate; 8. a fixing plate; 9. a groove; 10. an alarm; 11. a connecting plate; 12. a bump; 13. a screw hole; 14. a through hole; 15. a screw; 16. pressing a plate; 17. a switch; 18. a limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A mixed gas alarm with a wide detection range according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1, 2 and 3, the mixed gas alarm with a wide detection range provided by the present invention comprises a housing 1 and an alarm 10, wherein the left and right sides of the top end of the housing 1 are fixedly connected with a mounting plate 2, the right side end of the housing 1 is fixedly mounted with a motor 3 and the top end of the motor 3 is mounted with a lead screw 4, the outer side wall of the lead screw 4 is in threaded connection with a lead screw sleeve 5 and the outer side wall of the lead screw sleeve 5 is fixedly mounted with a bearing sleeve 6, the bottom end of the bearing sleeve 6 is fixedly connected with a support plate 7 and the bottom end of the support plate 7 is fixedly connected with a fixed plate 8 and the left and right sides of the fixed plate 8 are both mounted with grooves 9, the left and right sides of the top end of the alarm 10 are fixedly connected with a connecting plate 11 and the bottom end of the connecting plate, the fixing plate 8 is internally provided with a through hole 14, the top end of the through hole 14 is provided with a screw rod 15 corresponding to the screw hole 13, and the screw rod 15 sequentially penetrates through the through hole 14 downwards and then is installed in the screw hole 13 through rotation.

Referring to fig. 1 and 3, a limiting groove 18 corresponding to the supporting plate 7 is installed at the bottom end of the housing 1, the width of the limiting groove 18 is the same as the diameter of the supporting plate 7, and the supporting plate 7 can only move linearly along the limiting groove 18, so that the effect of limiting the bearing sleeve 6 is achieved, and the screw rod sleeve 5 is prevented from driving the bearing sleeve 6 to rotate.

Referring to fig. 1 and 2, the top ends of the screws 15 are fixedly connected with pressure plates 16, and after the screws 15 are installed in the screw holes 13, the pressure plates 16 at the top ends of the screws 15 just firmly abut against the fixing plate 8.

Referring to fig. 1, a power output end of the motor 3 is electrically connected to a power input end of the lead screw 4, and the motor 3 drives the lead screw 4 to rotate.

Referring to fig. 1, a switch 17 is fixedly mounted on the surface of the motor 3, a current output end of the switch 17 is electrically connected with a current input end of the motor 3, and the switch 17 controls the operation of the motor 3.

The embodiment of the utility model provides a wide mixed gas alarm of detection range, earlier fix shell 1 in the roof in the mixed gas room through mounting panel 2 (it is required to explain that mounting panel 2 internally mounted has a plurality of screw holes and aperture, the shell is fixed on the roof through screw and nail), later insert in recess 9 on fixed plate 16 with lug 12 on the alarm 10, after inserting and accomplishing, recess and 9 lug 12 can play simple fixed action to alarm 10 at this moment, and through-hole 14 and screw 13 align at this moment, pass through in through-hole 14 downwards in proper order through screw rod 15, clockwise rotation is installed into screw hole 13 again, can accomplish the installation of screw rod 15, after the installation of screw rod 15 is accomplished, the clamp plate 16 on screw rod 15 top just in time firmly supports fixed plate 8, can fix lug 12 and recess 9, thereby accomplish the installation of alarm 10, it should be noted that the width of the connecting plate 11 is relatively small, which will not affect the installation and disassembly of the screw 15, when the alarm 10 needs to be disassembled, the screw 15 is rotated counterclockwise through the fixing plate 8, the screw 15 is disassembled, and the projection 12 is pulled out from the groove 9, so as to complete the disassembly of the alarm 10, the assembly and disassembly are convenient and easy to maintain, when the alarm 10 is assembled, the external power is supplied to the alarm 10, the switch of the alarm 10 is turned on, the alarm 10 starts to operate, at this time, the external power is supplied to the motor 3, the switch 17 is turned on, the motor 3 starts to operate, the switch 17 (it is to be noted that the switch 17 is divided into two small switches, one small switch controls the forward rotation of the motor 3, one controls the reverse rotation of the motor 3, the motor 3 is a bidirectional motor, which is the prior art) drives the forward rotation and, motor 3 drives the positive and negative rotation of lead screw 4, lead screw 4 drives lead screw cover 5 (need to explain because lead screw 4 and lead screw cover 5 are threaded connection, so lead screw cover 5 can follow lead screw 4's screw direction of rotation removal, also be exactly the direction of rotation of lead screw 4) and remove, lead screw cover 5 drives the removal of bearing housing 6, bearing housing 6 drives the removal of backup pad 7, backup pad 7 drives the removal of alarm 10 (need to explain that the width of spacing groove 18 is the same with the diameter of backup pad 7, backup pad 7 can only be along 18 rectilinear movement in spacing groove, thereby play the effect of restriction bearing housing 6, prevent that lead screw cover 5 from driving the rotation of bearing housing 6, alarm 10 just can remove about the straight line and survey the mist like this, detection range is wider.

It should be noted that the utility model relates to a mixed gas alarm with wide detection range, including motor 3 (model GW4058-31ZY manufacturer: Chihai, it is the two-way motor to explain here) and switch 17 (model KAO-5M manufacturer: bench drill), above-mentioned electrical components are prior art products, by the needs of the technical staff in this field, select, install and accomplish the debugging operation of circuit according to the needs of use, ensure that each electrical equipment can normal work, the part is the part that general standard component or technical staff in this field know, its structure and principle all can be known or can be known through conventional experimental method for this technical staff, the applicant does not do the specific restriction here.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The mixed gas alarm with the wide detection range comprises a shell (1) and an alarm (10), and is characterized in that mounting plates (2) are fixedly connected to the left side and the right side of the top end of the shell (1), a motor (3) is fixedly mounted at the right side end of the shell (1), a lead screw (4) is mounted at the top end of the motor (3), a lead screw sleeve (5) is in threaded connection with the outer side wall of the lead screw (4), a bearing sleeve (6) is fixedly mounted on the outer side wall of the lead screw sleeve (5), a supporting plate (7) is fixedly connected to the bottom end of the bearing sleeve (6), a fixing plate (8) is fixedly connected to the bottom end of the supporting plate (7), grooves (9) are mounted on the left side and the right side of the fixing plate (8), a connecting plate (11) is fixedly connected to the left side and the right side of the top end of the alarm (10), and a lug (12, the internally mounted of lug (12) has screw (13), the internally mounted of fixed plate (8) has through-hole (14), screw rod (15) and screw rod (15) corresponding with screw (13) are installed on the top of through-hole (14) and are run through in through-hole (14) rethread rotation installation into screw (13) downwards in proper order.

2. The mixed gas alarm with wide detection range according to claim 1, characterized in that the bottom end of the housing (1) is provided with a limit groove (18) corresponding to the support plate (7).

3. The mixed gas alarm with wide detection range according to claim 1, characterized in that the top ends of the screws (15) are fixedly connected with a pressure plate (16).

4. The mixed gas alarm with wide detection range according to claim 1, wherein a power output end of the motor (3) is electrically connected with a power input end of the screw rod (4).

5. The mixed gas alarm with the wide detection range according to claim 1, characterized in that a switch (17) is fixedly mounted on the surface of the motor (3), and a current output end of the switch (17) is electrically connected with a current input end of the motor (3).